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Articles 17581 - 17610 of 26305
Full-Text Articles in Entire DC Network
Promotive Effect Of Exogenously Applied Thiourea On Key Physiological Parametersand Oxidative Defense Mechanism In Salt-Stressed Zea Mays L. Plants, Cengi̇z Kaya, Muhammad Ashraf, Osman Sönmez
Promotive Effect Of Exogenously Applied Thiourea On Key Physiological Parametersand Oxidative Defense Mechanism In Salt-Stressed Zea Mays L. Plants, Cengi̇z Kaya, Muhammad Ashraf, Osman Sönmez
Turkish Journal of Botany
A greenhouse experiment was conducted to examine the alleviating role of thiourea (TU) on antioxidants and some vital physiological attributes in salt-stressed plants of two maize cultivars. The maize cv. DK 5783 performed better than cv. Apex 836 in an initial experiment. Of the six TU levels used in the initial experiment, 400 and 500 mg L-1 were chosen for subsequent studies. The two cultivars were subjected to saline stress (100 mM NaCl) and two levels of TU were applied presowing or as foliage spray. Salt stress suppressed total biomass, maximum fluorescence yield (Fv/Fm), chlorophyll, and leaf water potential ($\Psi$w), …
Taxonomic And Nomenclatural Contributions To Pyrus L. (Rosaceae) From Turkey, Zübeyde Uğurlu Aydin, Ali̇ Aslan Dönmez
Taxonomic And Nomenclatural Contributions To Pyrus L. (Rosaceae) From Turkey, Zübeyde Uğurlu Aydin, Ali̇ Aslan Dönmez
Turkish Journal of Botany
This paper presents a taxonomic contribution to the genus Pyrus L. P. Georgica and P. Pseudosyriaca are reported from Turkey for the first time. The status of P. Pseudosyriaca is discussed and it is treated as a new variety of Pyrus syriaca. Notes on the chorology, morphological descriptions, figures, and taxonomy are provided. Moreover, P. Serikensis and P. Boissieriana are reduced to synonyms of P. Cordata. An endemic subspecies, P. Elaeagrifolia subsp. Kotschyana, is compared with the related species P. Elaeagrifolia and it is reassessed at the species level based on morphology and distribution. With these changes, Pyrus is represented …
Karyotype Analysis In Allium Roseum L. (Alliaceae) Using Fluorescent In Situ Hybridization Of Rdna Sites And Conventional Stainings, Arbi Guetat, Marcella Rosato, Josep A. Rosselló, Mohamed Boussaid
Karyotype Analysis In Allium Roseum L. (Alliaceae) Using Fluorescent In Situ Hybridization Of Rdna Sites And Conventional Stainings, Arbi Guetat, Marcella Rosato, Josep A. Rosselló, Mohamed Boussaid
Turkish Journal of Botany
In North Africa, Allium roseum L. Has been treated as a polymorphic species comprising 12 different taxa. More than 80 individuals in the Allium roseum complex were sampled from 20 populations at different localities in Tunisia and investigated karyologically. Basic chromosome number was confirmed as x = 8. Three cytotypes, diploid (2n = 2x = 16), triploid (2n = 3x = 24), and tetraploid (2n = 4x = 32), were found. Polyploidy was recorded for the first time for this species in Tunisia. Most of the populations were diploid (17 populations), whereas two populations were tetraploid and only one was …
Aeropalynological Survey In Büyükorhan, Bursa, Aycan Tosunoğlu, Si̇nan Babayi̇ği̇t, Adem Biçakçi
Aeropalynological Survey In Büyükorhan, Bursa, Aycan Tosunoğlu, Si̇nan Babayi̇ği̇t, Adem Biçakçi
Turkish Journal of Botany
An aeropalynological survey of the atmosphere of Büyükorhan in Bursa Province was carried out from January 2012 to December 2013 using a Durham gravimetric sampler. The number of pollen grains per cm^2 was calculated on a weekly basis. Over 2 years a total of 13,274 pollen grains/cm^2 from 44 taxa, including 24 arboreal plants (APs) and 20 nonarboreal plants (NAPs), and unidentified pollen grains were recorded. In 2012 and 2013, respectively, 5159 and 8115 pollen grains were recorded. The pollen grains consisted of 87.46% APs, 12.20% NAPs, and 0.35% unidentified plants. Pinus, Cupressaceae/Taxaceae, Quercus, Poaceae, Morus, Plantago, Olea europaea, and …
Phylogenetic And Cladistic Analyses Of The Enigmatic Genera Bituminaria And Cullen (Fabaceae) In Turkey, Sezen Toksoy, Meryem Şeker, Mehmet Sağiroğlu
Phylogenetic And Cladistic Analyses Of The Enigmatic Genera Bituminaria And Cullen (Fabaceae) In Turkey, Sezen Toksoy, Meryem Şeker, Mehmet Sağiroğlu
Turkish Journal of Botany
Three taxa of the genus Psoralea L. growing naturally in Turkey and the outgroup taxa belonging to the closest genera Vicia L., Cicer L., and Astragalus L. were subjected to molecular and quantitative morphological analyses in order to characterize their phylogenetic relationships. Both the taxonomical and the molecular characteristics of the tribes Psoraleeae (Bituminaria Heist. ex Fabr., Cullen Medik.), Vicieae (Vicia), Astragalae (Astragalus), and Cicereae (Cicer) were clearly revealed for the first time with the inter-simple sequence repeat (ISSR) method. The phylogenetic relationships were determined with 253 ISSR band scores and 125 quantitative morphological character measurements. The numerical and molecular …
Tanacetum Erzincanense (Asteraceae), A New Species From Erzincan, Turkey, Mustafa Korkmaz, Ali̇ Kandemi̇r, Veli̇ İlhan, Nalan Yildirim Doğan
Tanacetum Erzincanense (Asteraceae), A New Species From Erzincan, Turkey, Mustafa Korkmaz, Ali̇ Kandemi̇r, Veli̇ İlhan, Nalan Yildirim Doğan
Turkish Journal of Botany
In this study, Tanacetum erzincanense Korkmaz, Kandemir & İlhan is described as a new species for science from Erzincan Province. It was compared with close species by using morphological and random amplified polymorphic DNA data. It resembles T. germanicopolitanum (Bornm. & Heimerl) Grierson and T. pinnatum Boiss. It is closer to T. germanicopolitanum in terms of genetic and morphological aspects. Morphologically, it differs from T. germanicopolitanum by having oblong-oblanceolate basal leaves in outline with flabelliform and fewer leaf segments, less dense indumentum, smaller and globose capitula, and shorter apical appendage in inner phyllaries. T. pinnatum shows difference from T. erzincanense …
Taxonomic Revision Of The Genus Poa L. In Iran, New Additions To Flora Iranica, And A New Identification Key, Mahsa Kavousi, Mostafa Assadi, Taher Nejadsattari
Taxonomic Revision Of The Genus Poa L. In Iran, New Additions To Flora Iranica, And A New Identification Key, Mahsa Kavousi, Mostafa Assadi, Taher Nejadsattari
Turkish Journal of Botany
In this study, an identification key of Poa L. species in Iran and descriptions of all species are presented. Based on the results, 19 species and 4 subspecies of Poa are known from Iran. Two species, P. longifolia Trin. and P. sterilis M.Bieb., are new records for the flora of Iran. Some taxa such as P. versicolor Besser. subsp. araratica (Trautv.) Tzvelev and P. bactriana Roshev. subsp. glabriflora (Roshev. ex Ovcz.) Tzvelev were placed as subspecies. Poa supina Schrad. and P. aitchisonii Boiss. were not confirmed to occur in Iran since they were observed neither among the herbarium specimens nor …
A Computerized Image Database For Freshwater Algae Recorded In Turkey, Bülent Şen, Feray Sönmez, Ahmet Kadri̇ Çeti̇n, Mehmet Tahi̇r Alp, Tülay Özer, Kazim Yildiz, İlkay Açikgöz Erkaya, Abel Udo Udoh, Fatma Çevi̇k
A Computerized Image Database For Freshwater Algae Recorded In Turkey, Bülent Şen, Feray Sönmez, Ahmet Kadri̇ Çeti̇n, Mehmet Tahi̇r Alp, Tülay Özer, Kazim Yildiz, İlkay Açikgöz Erkaya, Abel Udo Udoh, Fatma Çevi̇k
Turkish Journal of Botany
A computer-based image database for freshwater algae recorded in Turkey has been established. A separate page was prepared for each algal taxon and each page includes images and taxonomic and ecological information related to the taxon. Algal images were obtained mainly from authors of algal studies previously carried out in various freshwater bodies in Turkey. Data were then standardized in accordance with that of the central database of Turkish herbaria and a database for Turkish freshwater algae, which were previously established through TÜBİTAK projects. The database program Access was used to enter data, as this program recognizes Turkish characters. A …
Assessment Of Species Diversity And State Of Stipa Tenacissima Steppes, Wahida Ghiloufi, Jose Luis Quero Perez, Miguel Garcia Gomez, Mohamed Chaieb
Assessment Of Species Diversity And State Of Stipa Tenacissima Steppes, Wahida Ghiloufi, Jose Luis Quero Perez, Miguel Garcia Gomez, Mohamed Chaieb
Turkish Journal of Botany
North African steppes are subjected to extreme degradation resulting in the reduction of their surface, genetic erosion of resources, and decrease in biodiversity. Stipa tenacissima steppes, which constitute one of the most representative vegetation types in the driest areas of the Mediterranean basin, are continuously degrading. With the aim of contributing to a better knowledge of the floristic composition and diagnosing the state of degradation of these steppes, we conducted a phytoecological analysis of 10 S. tenacissima sites in Tunisia. Floristic inventory compiled a systematic list of 46 vascular plant species belonging to 43 genera and 26 families. Species richness …
Isolation And Expression Analysis Of Ethylene Receptor Genes From Melon(Cucumis Melo) Fruit, Yaşar Karakurt, Nazan Gökteki̇n, Hali̇me Ünlü
Isolation And Expression Analysis Of Ethylene Receptor Genes From Melon(Cucumis Melo) Fruit, Yaşar Karakurt, Nazan Gökteki̇n, Hali̇me Ünlü
Turkish Journal of Botany
Ethylene receptors are involved in ethylene sensing and signal transduction. This study was conducted to isolate genes encoding ethylene receptors from melon fruit and to determine their expression during postharvest fruit ripening. The amplification of melon fruit cDNA with degenerate primers revealed two partial cDNAs. Upon 3' and 5' RACE analysis of the cDNAs, two full length genes designated Cm-ETR1 and Cm-ETR2 were obtained. Cloning and sequencing of the genes showed that Cm-ETR1 and Cm-ETR2 genes were 2320 and 2537 bp in length, respectively. Cm-ETR1 had a predicted open reading frame (ORF) of 2223 nucleotides encoding a protein of 740 …
Seed Morphology Of Some Silene L. (Caryophyllaceae) Species Collected From Turkey, Mehmet Yaşar Dadandi, Kemal Yildiz
Seed Morphology Of Some Silene L. (Caryophyllaceae) Species Collected From Turkey, Mehmet Yaşar Dadandi, Kemal Yildiz
Turkish Journal of Botany
The seed micro- and macromorphology of 39 Silene taxa were studied by stereomicroscope and scanning electron microscope. Quantitative (9) and qualitative (11) values of seed characters vary greatly both within and between taxa. The tree topology of UPGMA based on quantitative values does not supported the traditional relationship. Therefore, we concluded that seed characters of Silene alone cannot be used to describe taxa without detecting the full range of intra- and intertaxon variation of those characters.
A New Species Of Teucrium Sect. Stachyobotrys (Lamiaceae) From The South Of Turkey, Meci̇t Vural, Hayri̇ Duman, Tuncay Di̇rmenci̇, Taner Özcan
A New Species Of Teucrium Sect. Stachyobotrys (Lamiaceae) From The South Of Turkey, Meci̇t Vural, Hayri̇ Duman, Tuncay Di̇rmenci̇, Taner Özcan
Turkish Journal of Botany
A new species of Teucrium L., Teucrium aladagense Vural & H.Duman, is described from Aladağ mountain, located in Adana, Kayseri, and Niğde provinces in Turkey. The species belongs to Teucrium L. sect. Stachyobotrys Benth. A description, distribution map, habitat, information on trichome morphology, and the threatened category of the species are provided. The differences between the new species and its allies T. lamiifolium d'Urv s.l. and T. hircanicum L. are discussed, and an identification key is provided for the identification of similar taxa.
New Species Of Aporomyces, Walter Rossi, Sergi Santamaria
New Species Of Aporomyces, Walter Rossi, Sergi Santamaria
Turkish Journal of Botany
Three new species of Aporomyces (Laboulbeniomycetes) parasitic on beetles from Ecuador are described. These are A. aequatorialis, parasitic on Byrrhinus near B. plenus (Limnichidae); A. benjaminii, parasitic on Plagiogramma sp. (Histeridae); and A. maximus, parasitic on Byrrhinus cf. maculatus. A key to all the species in the genus Aporomyces is given.
Turkish Truffles I: 18 New Records For Turkey, Azi̇z Türkoğlu, Michael Angelo Castellano, James Martin Trappe, Mehri̇can Yaratanakul Güngör
Turkish Truffles I: 18 New Records For Turkey, Azi̇z Türkoğlu, Michael Angelo Castellano, James Martin Trappe, Mehri̇can Yaratanakul Güngör
Turkish Journal of Botany
We report the first records of 18 truffle species in Turkey. Three belong to the Ascomycota: Elaphomyces leucocarpus, E. muricatus, and Genea sphaerica; and 15 to the Basidiomycota: Alpova corsicus, Gautieria otthii, G. retirugosa, G. trabutii, Hymenogaster citrinus, H. hessei, H. luteus, H. lycoperdineus, Hysterangium clathroides, H. epiroticum, H. fragile, H. nephriticum, Leucogaster tozzianus, Octaviania asterosperma, and Protoglossum aromaticum. We also report new localities within Turkey for Picoa juniperi, P. lefebvrei, Geopora cooperi, Terfezia arenaria, T. claveryi, Tuber aestivum, and T. nitidum in the Ascomycota; and Leucogaster nudus, Hymenogaster thwaitesii, H. vulgaris, and Melanogaster broomeanus in the Basidiomycota.
Soil Bacteria Conferred A Positive Relationship And Improved Salt Stress Tolerance In Transgenic Pea (Pisum Sativum L.) Harboring Na+/H+ Antiporter, Zahid Ali, Nasr Ullah, Saadia Naseem, Muhammad Inam Ul Haq, Hans Joerg Jacobsen
Soil Bacteria Conferred A Positive Relationship And Improved Salt Stress Tolerance In Transgenic Pea (Pisum Sativum L.) Harboring Na+/H+ Antiporter, Zahid Ali, Nasr Ullah, Saadia Naseem, Muhammad Inam Ul Haq, Hans Joerg Jacobsen
Turkish Journal of Botany
Among grain legumes, peas (Pisum sativum L.) are highly sensitive to salt stress. Acclimatization of plants to such conditions is mandatory. We provide improved salt stress tolerance response of transgenic pea plants overexpressing the Na+/H+ gene from Arabidopsis thaliana and a positive association with salt-tolerant plant growth-promoting rhizobacteria (PGPR). In addition to salt stress tolerance and phosphate solubilization, the selected rhizobacterial isolates were identified for indole acetic acid and proline production ability. Seed germination percentage in transgenic pea plants was significantly higher under NaCl challenge. The wild-type (WT) pea plants inoculated with known numbers of viable cells of salt-tolerant PGPR …
A Comparative Analysis Of Membrane Intactness And Genome Integrity In Pea,Barley, And Wheat In Response To Uvc Irradiation, Mariyana Georgieva, Ivelina Nikolova, Georgi Bonchev, Zornitsa Katerova, Dessislava Todorova
A Comparative Analysis Of Membrane Intactness And Genome Integrity In Pea,Barley, And Wheat In Response To Uvc Irradiation, Mariyana Georgieva, Ivelina Nikolova, Georgi Bonchev, Zornitsa Katerova, Dessislava Todorova
Turkish Journal of Botany
The maintenance of plant genome integrity plays a critical function in the processes of DNA replication, transcription, and repair. Short-wave UV radiation (UVC) is among the most harmful agents known to affect genome stability and to induce DNA damage, including double-strand breaks (DSBs). Most previous studies in plants addressed the effects of UVC radiation at the physiological level; however, little research effort has been put into genome sensitivity across different plant species. Here, we made use of the trypan blue exclusion test and neutral comet assay to assess nuclear membrane and genome integrity in response to UVC radiation in monocot …
The Modified Qualities Of Basil Plants By Selenium And/Or Ascorbic Acid, Zahra Oraghi Ardebili, Narges Oraghi Ardebili, Sara Jalili, Somayeh Safiallah
The Modified Qualities Of Basil Plants By Selenium And/Or Ascorbic Acid, Zahra Oraghi Ardebili, Narges Oraghi Ardebili, Sara Jalili, Somayeh Safiallah
Turkish Journal of Botany
The current research aimed to evaluate the possible impacts of foliar supplementations of selenium (Se) and/or ascorbic acid (AsA) on basil. Seedlings were foliarly treated with 4 concentrations of Se (0, 30, 60, and 120 mg L-1) and/or 2 levels of AsA (0 and 200 mg L-1), 2 times with 2-week intervals. In contrast to Se30, chla contents were significantly decreased by Se120 compared with the control. Se applications had a reducing effect on chlb contents. Se and/or AsA treated plants exhibited higher contents of carotenoid. The antioxidative system was affected by the applied treatments as it was indicated by …
Temperature Sensitivity Of Photosystem Ii In Isolated Thylakoid Membranes From Fluridone-Treated Pea Leaves, Kolyo Dankov, Georgi Rashkov, Amarendra Misra, Emilia L. Apostolova
Temperature Sensitivity Of Photosystem Ii In Isolated Thylakoid Membranes From Fluridone-Treated Pea Leaves, Kolyo Dankov, Georgi Rashkov, Amarendra Misra, Emilia L. Apostolova
Turkish Journal of Botany
High temperature-induced changes in the photosystem II (PSII) activity of thylakoid membranes isolated from pea (Pisum sativum L. 'Ran') plants treated with low (10-8 M) and high (10-7 M) concentrations of fluridone were investigated. Pulse amplitude modulated (PAM) chlorophyll fluorescence and photosynthetic oxygen evolution (measured by polarographic oxygen rate electrode) were used to estimate the effect of high temperature on the functional activity of PSII. Higher temperature treatments lead to stronger inhibition of the flash oxygen evolution than the primary photochemistry of PSII (Fv/Fm). The inhibitory effect of higher temperature on the PSII? centers is stronger than on the PSIIß …
Cytogenetic Studies On Some Scorzonera L. S.L. (Asteraceae) Taxa From Turkey, Fahi̇m Altinordu, Esra Marti̇n, Serdar Makbul, Kami̇l Çoşkunçelebi̇, Mutlu Gültepe
Cytogenetic Studies On Some Scorzonera L. S.L. (Asteraceae) Taxa From Turkey, Fahi̇m Altinordu, Esra Marti̇n, Serdar Makbul, Kami̇l Çoşkunçelebi̇, Mutlu Gültepe
Turkish Journal of Botany
In the present study, chromosome morphology of 32 Scorzonera L. Taxa, including 19 species endemic to Turkey, was analyzed. The plant materials were collected from different natural populations of Turkey between 2005 and 2011. The classification of chromosomes, the length of the long and short arm, haploid chromosome length, arm ratio, and relative chromosomal length were measured by software image analyses. The basic chromosome numbers were determined as x = 6 and x = 7. Two types of ploidy levels were observed as diploidy and tetraploidy. Karyotype asymmetry indices, TF%, As K%, Syi, Rec, A, A1, and A2 were also …
Micromorphological Characters On Nutlet And Leaf Indumentum Of Teucrium Sect. Teucrium (Lamiaceae) In Turkey, Gülay Ecevi̇t Genç, Taner Özcan, Tuncay Di̇rmenci̇
Micromorphological Characters On Nutlet And Leaf Indumentum Of Teucrium Sect. Teucrium (Lamiaceae) In Turkey, Gülay Ecevi̇t Genç, Taner Özcan, Tuncay Di̇rmenci̇
Turkish Journal of Botany
Leaf indumentum and nutlet surface micromorphology of 13 taxa belonging to the Teucrium sect. Teucrium was studied with a scanning electron microscope. We observed 5 trichome types on the nutlets and 8 trichome types on the leaves. Branched trichomes were not found on the nutlets. Nutlet shapes of the taxa were elliptic, obovate, oblong, or rotund, and their surfaces were generally alveolate with different ornamentations. Some nutlets had longitudinal ridges. The indumentum varied among unrelated species and showed some significant similarities within related species. In Flora of Turkey sect. Teucrium was divided into 2 groups according to leaf fragmentation and …
Syntaxonomic Analysis Of The Preforest And Forest Vegetation In The Thermo- And Eumediterranean Zone Around Antalya Gulf, Turkey, Lati̇f Kurt, Ali̇ Osman Ketenoğlu, Yildirim Akman, Ebru Özdeni̇z, Fatoş Şekerci̇ler, Ayşenur Bölükbaşi, Beste Gi̇zem Özbey
Syntaxonomic Analysis Of The Preforest And Forest Vegetation In The Thermo- And Eumediterranean Zone Around Antalya Gulf, Turkey, Lati̇f Kurt, Ali̇ Osman Ketenoğlu, Yildirim Akman, Ebru Özdeni̇z, Fatoş Şekerci̇ler, Ayşenur Bölükbaşi, Beste Gi̇zem Özbey
Turkish Journal of Botany
The aim of the current study was to reveal the syntaxonomical structure of Pinus brutia Ten. Forests and the preforest communities in the vicinity of Antalya Gulf. Of the preforest communities, Dorsytaecho hastatae-Oleutum oleastri ass. Nova is individualized as a paraclimax association. Although little is known about the syntaxonomy of the communities of cliff, rupicolous, and mural communities in the thermomediterranean zone, these are connected with the classes Asplenietea trichomanis (Br.-Bl. İn Meier and Br.-Bl. 1934) Oberd. 1977 and Onosmetalia frutescentis Quézel 1964. In the west of the gulf, Phlomido bourgaei-Pinetum brutiae Akman et al. 1998 and its three subassociations …
Expanding The Understanding Of A Forest Ectomycorrhizal Community By Combining Root Tips And Fruiting Bodies: A Case Study Of Tuber Magnatum Stands, Giorgio Lalli, Marco Leonardi, Marilena Oddis, Giovanni Pacioni, Elena Salerni, Mirco Iotti, Alessandra Zambonelli
Expanding The Understanding Of A Forest Ectomycorrhizal Community By Combining Root Tips And Fruiting Bodies: A Case Study Of Tuber Magnatum Stands, Giorgio Lalli, Marco Leonardi, Marilena Oddis, Giovanni Pacioni, Elena Salerni, Mirco Iotti, Alessandra Zambonelli
Turkish Journal of Botany
A survey of both ectomycorrhizal (ECM) root tips and fruiting bodies of ECM fungi was carried out during a four-year period (2009-2012) in two similar forest stands in central Italy, previously investigated in detail being habitats of the Italian white truffle Tuber magnatum Pico. This research is one of the few conducted in mixed forest stands and, for the first time, it took into account the cryptic fungi (corticiaceous, hypogeous, and sclerotia). This survey led to an exhaustive description of the ECM community by integrating all the 197 taxa recorded (147 species as fruiting bodies, 65 as ectomycorrhizas, and 15 …
Changes In Epilithic Diatom Communities And Periphytic Biomass Downstream Of A Reservoir On A Mediterranean River (Calabria Region, S Italy), Luana Gallo, Maurizio Battegazzore, Anna Corapi, Lucio Lucadamo
Changes In Epilithic Diatom Communities And Periphytic Biomass Downstream Of A Reservoir On A Mediterranean River (Calabria Region, S Italy), Luana Gallo, Maurizio Battegazzore, Anna Corapi, Lucio Lucadamo
Turkish Journal of Botany
Diatom community structure and morphotype classification were studied and periphyton biomass, course particulate organic matter (CPOM), hydrogeomorphological parameters, and nutrient concentrations were measured at 4 stations downstream of the Cecita dam (Mucone River) and at 3 control sites located on different tributaries of the Mucone River in May, August, and November 2005. The lowest values of current velocities and the highest amounts of sand deposition and CPOM accumulation were detected at the stations closest to the dam. Downstream, the confluence with the first permanent tributary (Cerreto River) of the Mucone showed a "rhythral" morphology, similar to that of the control …
Phylogeny Of Korean Opuntia Spp. Based On Multiple Dna Regions, Krishnamoorthy Srikanth, Sung Soo Whang
Phylogeny Of Korean Opuntia Spp. Based On Multiple Dna Regions, Krishnamoorthy Srikanth, Sung Soo Whang
Turkish Journal of Botany
Although Opuntia species are of high agronomic value in Korea, the taxonomic position of Korean Opuntia species has never been investigated. The taxonomic position of Korean Opuntia spp. Within the tribe Opuntieae was examined based on DNA sequence analysis of matK, trnL-F, atpB-rbcl, and ITS regions. The total amplified sequence length was 2977 bp; only 18 parsimonious informative sites were present, even though they belonged to different species. A phylogenetic tree using both the maximum likelihood method with 2000 bootstrap replications and Bayesian posterior probabilities was constructed. The new forma, Opuntia humifusa f. Jeollaensis, used in this study was placed …
Reproductive Biology Of The Narrow Endemic Anchusa Littorea Moris (Boraginaceae), An Endangered Coastal Mediterranean Plant, Donatella Cogoni, Giuseppe Fenu, Gianluigi Bacchetta
Reproductive Biology Of The Narrow Endemic Anchusa Littorea Moris (Boraginaceae), An Endangered Coastal Mediterranean Plant, Donatella Cogoni, Giuseppe Fenu, Gianluigi Bacchetta
Turkish Journal of Botany
Phenological and reproductive patterns are fundamental life-history components in the life cycle of plants. In this study, we analyzed phenological and reproductive data at the plant and population levels of the narrow endemic Anchusa littorea Moris, an endangered annual plant species growing in a few small patches at the Is Arenas dune system (SW Sardinia, Italy). Individuals from the main 2 patches were evaluated during a 4-year study period: plants were monitored on a monthly basis in each reproductive phenophase. To assess phenological variability within and among populations, an approach based on the Shannon-Wiener diversity index and the Morisita-Horn similarity …
Floral Function In Relation To Floral Structure In Two Periploca Species (Periplocoideae) Apocynaceae, Samia Heneidak, Yougasphree Naidoo
Floral Function In Relation To Floral Structure In Two Periploca Species (Periplocoideae) Apocynaceae, Samia Heneidak, Yougasphree Naidoo
Turkish Journal of Botany
This study comprises an investigation into the floral function in relation to the floral structure of Periploca aphylla and P. Angustifolia, using light and scanning electron microscopy. Both species display the following floral structures: style-head bearing pollen translators, shelf-like nectaries, staminal feet, nectar-collecting troughs, trisegmented corolline corona lobes and corolla lobes, and anthers and nectaries covered by unicellular hairs. Lateral segments of adjacent corona lobes are fused with half of the adaxial base of the adjacent corolla lobes, creating openings through which pollinators can reach the nectar-collecting troughs in the corolla base. Flowers are rotate with spreading corolla lobes and …
Towards A New Classification Of Salvia S.L.: (Re)Establishing The Genus Pleudia Raf., Maria Will, Natalie Schmalz, Regine Classen-Bockhoff
Towards A New Classification Of Salvia S.L.: (Re)Establishing The Genus Pleudia Raf., Maria Will, Natalie Schmalz, Regine Classen-Bockhoff
Turkish Journal of Botany
Salvia L. İn its traditional circumscription is the largest genus within the mint family. To date, the magnitude of the task has rendered it difficult to provide a genus-wide revision based on morphological data. Current molecular investigations based on a dense taxon sampling representing the whole phenotypic diversity and distribution range of Salvia confirmed that the genus is polyphyletic. Salvia species fall in 4 distinct clades, although all of them, except Clade IV, also include non-Salvia genera. A taxonomic revision is thus urgently needed with two different approaches that have to be considered: (1) to include the 5 morphologically distinct …
Random Amplified Polymorphic Dna As A Method To Screen Metal-Tolerant Barley (Hordeum Vulgare L.) Genotypes, Süleyman Cenkci̇, Nevra Doğan
Random Amplified Polymorphic Dna As A Method To Screen Metal-Tolerant Barley (Hordeum Vulgare L.) Genotypes, Süleyman Cenkci̇, Nevra Doğan
Turkish Journal of Botany
Differentially responding genotypes are comparatively used to understand mechanisms of metal tolerance in higher plants. The feasibility of the random amplified polymorphic DNA (RAPD) technique was evaluated to screen for metal tolerance within plants as an alternative to physiological growth parameters. Eight hydroponically grown barley (Hordeum vulgare L.) genotypes were exposed to different concentrations (75, 150, and 225 μM) of cadmium and copper for 7 days and subsequently harvested for determining metal tolerance indices by comparing dry biomass to genomic template stabilities based on their RAPD profiles. Dose- and genotype-dependent reductions in dry weights of shoot and root tissues were …
Generating Salt-Tolerant Nicotiana Tabacum And Identification Of Stress-Responsive Mirnas In Transgenics, Ferhunde Aysi̇n, Ayşe Eli̇f Erson Bensan, Füsun Eyi̇doğan, Hüseyi̇n Avni̇ Öktem
Generating Salt-Tolerant Nicotiana Tabacum And Identification Of Stress-Responsive Mirnas In Transgenics, Ferhunde Aysi̇n, Ayşe Eli̇f Erson Bensan, Füsun Eyi̇doğan, Hüseyi̇n Avni̇ Öktem
Turkish Journal of Botany
Identification of vacuolar Na+/H+ antiporters facilitates the basis of salt stress tolerance mechanisms. Na+ accumulation into the vacuole is crucial for the avoidance of cytoplasmic Na+ toxicity. In this study, we show that the introduction of AtNHX1 into tobacco generated more tolerant plants when compared to wild-type plants. Transgenic tobacco plants exhibited higher germination rates in the presence of increasing salt concentrations compared to wild-type plants. In addition, proline levels were higher under salt stress conditions in both the shoots and the roots of transgenics compared to wild-type plants. Increase in malondialdehyde production during lipid peroxidation by salinity was lower …
Effects Of Cobalt Nanoparticles On Artemisinin Production And Gene Expression In Artemisia Annua, Bita Ghasemi, Ramin Hosseini, Fatemeh Dehghan Nayeri
Effects Of Cobalt Nanoparticles On Artemisinin Production And Gene Expression In Artemisia Annua, Bita Ghasemi, Ramin Hosseini, Fatemeh Dehghan Nayeri
Turkish Journal of Botany
The low artemisinin content in Artemisia has caused this compound to be expensive among medicines. Several attempts have been made to increase its production by altering the expression of different genes. However, no approach has been cost-effective. In this study, the expression levels of SQS and DBR2 genes were quantified by qRT-PCR, and artemisinin content was measured by HPLC in Artemisia annua cell suspension culture under nano cobalt particles elicitation. For this purpose, nano cobalt particles were used in 0.25, 2.5, and 5 mg L-1 concentrations and samples were collected after 8, 24, 48, and 72 h. The highest artemisinin …