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Articles 1 - 30 of 120
Full-Text Articles in Life Sciences
Leonard O. Marrow
Virginia Journal of Science
Obituary for Leonard O. Marrow who died August 24, 2014
Diatom Flora In Subterranean Ecosystems: A Review, Elisa Falasco, Luc Ector, Marco Isaia, Carlos E. Wetzel, Lucien Hoffmann, Francesca Bona
Diatom Flora In Subterranean Ecosystems: A Review, Elisa Falasco, Luc Ector, Marco Isaia, Carlos E. Wetzel, Lucien Hoffmann, Francesca Bona
International Journal of Speleology
In scarcity of light and primary producers, subterranean ecosystems are generally extremely oligotrophic habitats, receiving poor supplies of degradable organic matter from the surface. Human direct impacts on cave ecosystems mainly derive from intensive tourism and recreational caving, causing important alterations to the whole subterranean environment. In particular, artificial lighting systems in show caves support the growth of autotrophic organisms (the so-called lampenflora), mainly composed of cyanobacteria, diatoms, chlorophytes, mosses and ferns producing exocellular polymeric substances (EPSs) made of polysaccharides, proteins, lipids and nucleic acids. This anionic EPSs matrix mediates to the intercellular communications and participates to the chemical …
Section Abstracts: Botany
Virginia Journal of Science
Abstracts of the Botany Section for the 92nd Annual Meeting of the Virginia Academy of Science, May 13-15, 2014, Virginia Commonwealth University, Richmond, Virginia
Nelsonioideae (Lamiales: Acanthaceae): Revision Of Genera And Catalog Of Species, Thomas F. Daniel, Lucinda A. Mcdade
Nelsonioideae (Lamiales: Acanthaceae): Revision Of Genera And Catalog Of Species, Thomas F. Daniel, Lucinda A. Mcdade
Aliso: A Journal of Systematic and Floristic Botany
A taxonomic account of Acanthaceae subfamily Nelsonioideae based on morphological and phylogenetic data treats five genera with 172 species: Anisosepalum (3), Elytraria (21), Nelsonia (2), Saintpauliopsis (1), and Staurogyne (145). Two other currently recognized genera, Gynocraterium and Ophiorrhiziphyllon, are included within Staurogyne, and the new combinations, Staurogyne guianensis and S. macrobotrya, are proposed. Probable apomorphic and other diagnostic macro- and micromorphological characters are discussed relative to the subfamily and genera. Characters of the inflorescence, androecium (especially pollen), and seed show important phylogenetic and diagnostic signal. A key to genera, generic descriptions and discussions, illustrations, and distribution maps …
Letter From The Dean, Michael Vayda
Letter From The Dean, Michael Vayda
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
No abstract provided.
The Complete Plastid Genome Sequence Of Iris Gatesii (Section Oncocyclus), A Bearded Species From Southeastern Turkey, Carol A. Wilson
The Complete Plastid Genome Sequence Of Iris Gatesii (Section Oncocyclus), A Bearded Species From Southeastern Turkey, Carol A. Wilson
Aliso: A Journal of Systematic and Floristic Botany
Iris gatesii is a rare bearded species in subgenus Iris section Oncocyclus that occurs in steppe communities of southeastern Turkey. This species is not commonly cultivated, but related species in section Iris are economically important horticultural plants. The complete plastid genome is reported for I. gatesii based on data generated using the Illumina HiSeq platform and is compared to genomes of 16 species selected from across the monocotyledons. This Iris genome is the only known plastid genome available for order Asparagales that is not from Orchidaceae. The I. gatesii plastid genome, unlike orchid genomes, has little gene loss and rearrangement …
Lichenized And Lichenicolous Fungi Of Gevne Valley (Konya, Antalya), Mustafa Kocakaya, Mehmet Gökhan Halici, Ahmet Aksoy
Lichenized And Lichenicolous Fungi Of Gevne Valley (Konya, Antalya), Mustafa Kocakaya, Mehmet Gökhan Halici, Ahmet Aksoy
Turkish Journal of Botany
The lichen and lichenicolous fungi of Gevne Valley in the provinces of Konya and Antalya are presented. From 47 localities, 215 lichen and 18 lichenicolous fungi are reported for a total 233 infrageneric taxa. Four taxa are new records for Turkey: Lecanora flowersiana H.Magn., L. invadens H.Magn., Psora cerebriformis W.A.Weber, and Rinodina colobinoides (Nyl.) Zahlbr. Detailed information on these 4 taxa is provided along with photographs.
Potassium Fertilization Mitigates The Adverse Effects Of Drought On Selected Zea Mays Cultivars, Lixin Zhang, Mei Gao, Shengxiu Li, Ashok Kumar Alva, Muhammad Ashraf
Potassium Fertilization Mitigates The Adverse Effects Of Drought On Selected Zea Mays Cultivars, Lixin Zhang, Mei Gao, Shengxiu Li, Ashok Kumar Alva, Muhammad Ashraf
Turkish Journal of Botany
In the present study, the role of potassium (K) in mitigating the adverse effects of drought stress (DS) on 2 maize (Zea mays L.) cultivars, 'Shaandan 9' (S_{9}; drought-tolerant) and 'Shaandan 911' (S_{911}; drought-sensitive), was assessed. K application increased dry matter (DM) across all growth stages and grain yield (GY) in both cultivars under DS, but not under control conditions. Drought-tolerant cultivar S_9 was superior to drought-sensitive cultivar S_{911} under DS in terms of DM and GY regardless of K addition. Additionally, K application increased relative water content, nitrate reductase activity, and concentrations of potassium ion, free proline, soluble protein, …
K-Means Clustering And Structure Analyses Of Genetic Diversity In Tamarix L. Accessions, Habibollah Ijbari, Masoud Sheidai, Ahmad-Reza Mehrabian, Zahra Noormohammadi, Somayeh Ghasemzadeh-Baraki
K-Means Clustering And Structure Analyses Of Genetic Diversity In Tamarix L. Accessions, Habibollah Ijbari, Masoud Sheidai, Ahmad-Reza Mehrabian, Zahra Noormohammadi, Somayeh Ghasemzadeh-Baraki
Turkish Journal of Botany
Tamarix L. accessions were collected from Sistan and Baluchestan Province of Iran, covering an area of about 60 km located in the southeast of Iran. The present investigation was performed to study the genetic structure of Tamarix populations in this province and present some information about gene flow among these populations. Forty-two tree specimens were randomly collected and studied for molecular and morphological diversity. Based on morphological descriptions we recognized 3 species that were confirmed by detailed morphometric and genetic analysis. The studied tree specimens were separated in 3 distinct clusters by UPGMA clustering and principal coordinate analysis and multidimensional …
Census, Reproductive Biology, And Germination Of Astragalus Gines-Lopezii (Fabaceae), A Narrow And Endangered Endemic Species Of Sw Spain, Vanesa Martínez-Fernández, Felipe Martinez-Garcia, Felix Perez Garcia
Census, Reproductive Biology, And Germination Of Astragalus Gines-Lopezii (Fabaceae), A Narrow And Endangered Endemic Species Of Sw Spain, Vanesa Martínez-Fernández, Felipe Martinez-Garcia, Felix Perez Garcia
Turkish Journal of Botany
Astragalus gines-lopezii Talavera, Podlech, Devesa & F.M.Vázquez (Fabaceae) is a threatened endemic species with a distribution restricted to a very small area in Badajoz Province (Extremadura Region, SW Spain) and only 2 populations are known. This species was catalogued in the \"Endangered\" category in the 2008 Red List and the 2010 Threatened Spanish Vascular Flora List. Despite its status as an endangered species, at present very little is known about the distribution, census, and reproductive biology of this species. In this study we have carried out an exhaustive census of A. gines-lopezii, and we have evaluated the production of flowers, …
Leaf Morphology And Shoot Regeneration Of In Vitro Cultured Explants From Species Of The Solanum Peruvianum S.L. Complex, Carlos Trujillo-Moya, Rosa Peiró, Carmina Gisbert
Leaf Morphology And Shoot Regeneration Of In Vitro Cultured Explants From Species Of The Solanum Peruvianum S.L. Complex, Carlos Trujillo-Moya, Rosa Peiró, Carmina Gisbert
Turkish Journal of Botany
We studied leaf morphology in in vitro plants of species segregated from the Solanum peruvianum L. s.l. complex: S. arcanum Peralta, S. corneliomulleri J.F.Macbr., S. huaylasense Peralta, and S. peruvianum L. s.str. In these species, the regeneration ability from root and leaf explants cultured in vitro in 2 organogenic media (SIM-1 and SIM-2) was also evaluated in a total of 16 accessions. These species can be differentiated by the number of leaflets, leaflet dentation of the in vitro cultured plants, and leaf area (for S. arcanum). Regarding regeneration, intraspecific and interspecific variability was observed. The accession LA-2185 of S. arcanum …
Contents, Discovery Editors
Contents, Discovery Editors
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
No abstract provided.
Discovery: The Student Journal Of Dale Bumpers College Of Agricultural, Food And Life Sciences - Volume 15 2014, Several Authors
Discovery: The Student Journal Of Dale Bumpers College Of Agricultural, Food And Life Sciences - Volume 15 2014, Several Authors
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
No abstract provided.
Photosynthetic Gas Exchange, Chlorophyll Fluorescence, Antioxidant Enzymes, And Growth Responses Of Jatropha Curcas During Soil Flooding, Krishan Kumar Verma, Munna Singh, Ramwant Kumar Gupta, Chhedi Lal Verma
Photosynthetic Gas Exchange, Chlorophyll Fluorescence, Antioxidant Enzymes, And Growth Responses Of Jatropha Curcas During Soil Flooding, Krishan Kumar Verma, Munna Singh, Ramwant Kumar Gupta, Chhedi Lal Verma
Turkish Journal of Botany
The response of chlorophyll fluorescence, photosynthetic CO_2 assimilation (PN), stomatal conductance (gs), electrolyte leakage, and transpiration (E) was observed in Jatropha curcas seedlings subjected to soil flooding. A strong reduction in growth, leaf-area expansion (64%), and stomatal conductance (45%) impaired photosynthetic CO_2 assimilation (66%), which eventually reduced biomass yield. The ratio between variable-to-initial chlorophyll fluorescence (Fv/Fo) and the maximum quantum yield efficiency of the photosystem II (Fv/Fm) was used to explore damage associated with the functioning of the photosynthetic apparatus. A strong, non-linear correlation between physiological parameters and soil flooding duration was found. Our study primarily revealed consequences of epigenetics, …
Comparative Analysis Of Hexaploid Avena Species Using Remap And Issr Methods, Edyta Paczos Grzeda, Piotr Tomasz Bednarek
Comparative Analysis Of Hexaploid Avena Species Using Remap And Issr Methods, Edyta Paczos Grzeda, Piotr Tomasz Bednarek
Turkish Journal of Botany
Taxonomic relationships in Avena genus are not evident. Avena sativa L. might have originated either from Avena sterilis L. or Avena fatua L. Alternatively, it may have evolved independently during formation of the hexaploid form. A. fatua may have a different A genome than the other hexaploids. Studies performed with Ty1-copia retrotransposon probes demonstrated that this retrotransposon is present at low copy number in the C genome, while it is abundant in A, B, and D. The observed differences provide an opportunity for analyzing the putative origin of A. fatua as well as its relationships with other hexaploids. Two marker …
The Molecular Characterization And Expression Analyses Of Ethylene Receptor Genes From Watermelon Fruit, Yaşar Karakurt, Muhammet Tonguç, Hali̇me Ünlü
The Molecular Characterization And Expression Analyses Of Ethylene Receptor Genes From Watermelon Fruit, Yaşar Karakurt, Muhammet Tonguç, Hali̇me Ünlü
Turkish Journal of Botany
Watermelon fruit is very sensitive to ethylene, showing rapid deterioration and water-soaking upon ethylene exposure. The objective of this study was to isolate and determine the expressions of ethylene receptor genes in watermelon fruit. As a result of PCR amplification of cDNAs obtained via RT-PCR of total RNA from watermelon fruit with degenerate primers, 3 partial cDNAs were obtained. After extension of the 3' and 5' ends of the cDNAs via 3' and 5' RACE analysis, 3 full-length genes designated as CL-ETR1, CL-ERS1, and CL-ETR2 were obtained. Upon cloning and sequencing, it was determined that the CL-ETR1, CL-ERS1, and CL-ETR2 …
Identifying Promising New Falcata Alfalfa Populations For Use In Semiarid Rangelands, Derek Kannenberg
Identifying Promising New Falcata Alfalfa Populations For Use In Semiarid Rangelands, Derek Kannenberg
The Journal of Undergraduate Research
Alfalfa (Medicago sativa L.) is a valuable crop worldwide. In addition to its use as forage, the nitrogen fixation capabilities of root nodules make it a valuable component for improving soil health. Unfortunately, the semi-arid region of the Northern Great Plains introduces a number of environmental stresses that are detrimental to stand establishment and persistence. The ability to produce adventitious shoots from roots is generally considered a favorable trait for increasing stress resistance. This study aimed to identify alfalfa populations possessing the ability to produce adventitious shoot from root segments. Seven Plant Introductions (PIs), selected from the National Plant …
Interspecific In Vitro Hybridization In Genus Centaurium And Identification Of Hybrids Via Flow Cytometry, Rapd, And Secondary Metabolite Profiles, Tijana Banjanac, Branislav Siler, Marijana Skoric, Nabil Ghalawenji, Milica Milutinovic, Dragana Bozic, Danijela Misic
Interspecific In Vitro Hybridization In Genus Centaurium And Identification Of Hybrids Via Flow Cytometry, Rapd, And Secondary Metabolite Profiles, Tijana Banjanac, Branislav Siler, Marijana Skoric, Nabil Ghalawenji, Milica Milutinovic, Dragana Bozic, Danijela Misic
Turkish Journal of Botany
Most of the species from the genus Centaurium Hill readily hybridize between themselves in natural habitats. Artificial interspecific hybrid plants were obtained under in vitro conditions using reciprocal crosses between 4 species: Centaurium erythraea, C. littorale, C. maritimum, and C. pulchellum. Among 76 crossing experiments performed, 3 types of crosses produced seeds and gave 20 interspecific hybrid plants. Nuclear DNA quantification, fingerprinting of molecular markers, and determination of variation in main secondary metabolite content were employed to confirm their hybrid nature. All 3 approaches were capable of detecting hybrid plants. RAPD molecular markers proved to be the most reliable, always …
Planktothrix Rubescens: A Perennial Presence And Toxicity In Lake Sapanca, Reyhan Akçaalan Albay, Lati̇fe Köker, Cenk Gürevi̇n, Meri̇ç Albay
Planktothrix Rubescens: A Perennial Presence And Toxicity In Lake Sapanca, Reyhan Akçaalan Albay, Lati̇fe Köker, Cenk Gürevi̇n, Meri̇ç Albay
Turkish Journal of Botany
Cyanobacteria are expected to adjust to new conditions better than other primary producers since they have a long history of adaptation as one of the first organisms on earth. Their ecophysiological adaptations differ widely among cyanobacterial species. As a stratified species, P. rubescens forms a population in the metalimnion during summer months in lakes with clear water and disperses in the whole water column during the period. However, after a dry season in 2006 and 2007, a prolonged surface bloom in late winter was observed in Lake Sapanca The maximum biomass of P. rubescens reached 13.9 mg L^{-1} in surface …
Rechecking Of The Genus Scleroderma (Gasteromycetes) From Macedonia Using Barcoding Approach, Katerina Rusevska, Mitko Karadelev, Cherdchai Phosri, Margarita Dueñas, Roy Watling, María Paz Martín
Rechecking Of The Genus Scleroderma (Gasteromycetes) From Macedonia Using Barcoding Approach, Katerina Rusevska, Mitko Karadelev, Cherdchai Phosri, Margarita Dueñas, Roy Watling, María Paz Martín
Turkish Journal of Botany
In order to verify some doubtful collections of Scleroderma Pers. species from Macedonia, 54 specimens were revised using morphological and molecular analyses. The 12 internal transcribed spacer of nuclear ribosomal DNA (ITS nrDNA) sequences obtained in this study were compared with previously published sequences included in public databases. According to the barcoding sequences, some Macedonian Scleroderma specimens were confirmed to belong to 4 species: S. areolatum Ehrenb., S. bovista Fr., S. meridionale Demoulin & Malençon, and S. verrucosum (Vaill.) Pers.
Assessment Of Genetic Diversity And Phylogenetic Relationships Of Endangered Endemic Plant Barbarea Integrifolia Dc. (Brassicaceae) In Turkey, Ertuğrul Fi̇li̇z, Etem Osma, Ali̇ Kandemi̇r, Hüseyi̇n Tombuloğlu, Guzi̇n Tombuloglu, Seda Bi̇rbi̇lener, Mehtap Aydin
Assessment Of Genetic Diversity And Phylogenetic Relationships Of Endangered Endemic Plant Barbarea Integrifolia Dc. (Brassicaceae) In Turkey, Ertuğrul Fi̇li̇z, Etem Osma, Ali̇ Kandemi̇r, Hüseyi̇n Tombuloğlu, Guzi̇n Tombuloglu, Seda Bi̇rbi̇lener, Mehtap Aydin
Turkish Journal of Botany
Barbarea integrifolia DC. (Brassicaceae) is an endangered and endemic species located in Erzincan and Gümüşhane provinces of Turkey. In total, 27 individuals from 2 natural populations were assessed using the random amplified polymorphic DNA polymerase chain reaction (RAPD-PCR) method coupled with sequence analysis of the internal transcribed spacer (ITS1) rDNA region. Genetic accuracy of RAPD-PCR was tested with 25 RAPD primers, and it resulted in 115 clear and reproducible DNA fragments from 13 RAPD primers. Among these, 76 (66.1%) fragments were found to be polymorphic. According to the ITS1 analysis of B. integrifolia populations, the plants exhibited a relatively poor …
The Revision Of The Section Alopecuroidei Of The Genus Astragalus (Fabaceae) In Turkey, Hasan Akan, Zeki̇ Aytaç
The Revision Of The Section Alopecuroidei Of The Genus Astragalus (Fabaceae) In Turkey, Hasan Akan, Zeki̇ Aytaç
Turkish Journal of Botany
In this research, the morphological, anatomical, palynological, and cytological characteristics of the section Alopecuroidei DC. species belonging to genus Astragalus L. in Turkey were studied. As a result of this study, the members of the Alopecuroidei section represented by 22 taxa were evaluated under 24 taxa. While 3 taxa were reduced to synonyms, 4 new taxa have been added to the literature. Those are Astragalus aytatchii Akan & Civelek, A. ovabaghensis Akan & Aytaç, A. bahcesarayensis Akan, Fırat & Ekici, and A. ekicii H.Duman & Akan. In addition, it was determined that A. edmondi (Kuntze) Sheld. and A. maximus Willd. …
Expression Of Sod Gene And Evaluating Its Role In Stress Tolerance In Nacl And Peg Stressed Lycopersicum Esculentum, Semra Aydin, İlker Büyük, Emi̇ne Sümer Aras
Expression Of Sod Gene And Evaluating Its Role In Stress Tolerance In Nacl And Peg Stressed Lycopersicum Esculentum, Semra Aydin, İlker Büyük, Emi̇ne Sümer Aras
Turkish Journal of Botany
Antioxidant enzyme mechanisms are important for protecting crop productivity against stressful environmental conditions. Therefore, the current study was designed to evaluate lipid peroxidation (via malondialdehyde (MDA)) levels, superoxide dismutase (SOD) gene expression profiles, and SOD enzyme activities in tomato (Lycopersicum esculentum L.) plants subjected to different concentrations (100 and 150 mM) and time periods of NaCl and polyethylene glycol (PEG) stress (3 h, 6 h, 9 h, 12 h, and 48 h). Enhancement of lipid peroxidation in plants may be attributed to the increased accumulation of reactive oxygen species (ROS). Results indicated the antioxidant responses of tomato plants could be …
New Records Of Discomycetous Fungi From Ukraine, Irina Ihorivna Morozova
New Records Of Discomycetous Fungi From Ukraine, Irina Ihorivna Morozova
Turkish Journal of Botany
Eight species of discomycetous fungi found in the forests of the Kharkiv region for the first time in Ukraine are described: Dermea acerina (Peck) Rehm, Chlorencoelia versiformis (Pers.) J.R.Dixon, Arachnopeziza aurata Fuckel, Arachnopeziza obtusipila Grélet, Hyaloscypha intacta Svrcek, Lachnum brevipilosum Baral, Pezizella vulgaris (Fr.) Sacc., and Gyromitra fastigiata (Krombh.) Rehm. Original illustrations, descriptions, and data on the distribution of these species in the world are given.
Molecular Phylogeny Of The Genus Amygdalus (Rosaceae) Based On Nrdna Its And Cpdna Trns-Trng Sequences, Mahnaz Vafadar, Shahrokh Kazempour Osaloo, Farideh Attar
Molecular Phylogeny Of The Genus Amygdalus (Rosaceae) Based On Nrdna Its And Cpdna Trns-Trng Sequences, Mahnaz Vafadar, Shahrokh Kazempour Osaloo, Farideh Attar
Turkish Journal of Botany
With over 40 species, almonds (Amygdalus L.) are among the most economically important Rosaceae fruit crops distributed in the Irano-Turanian region of southwestern and Central Asia and southeastern Europe. While Amygdalus is considered a separate genus in floristic treatments of Asian countries it is a subgenus or a section of Prunus L. s.l. in other treatments. Phylogenetic relationships of the Iranian wild almonds based on data from 2 nuclear and chloroplast spacers (nrDNA ITS and cpDNA trnS-trnG) were constructed using the maximum parsimony and maximum likelihood, Bayesian inference, and NeighborNet methods. Data from 2 nuclear and chloroplast spacers were congruent. …
In Vitro Protocorm Development And Mass Multiplication Of An Endangered Orchid, Dactylorhiza Hatagirea, Ashish Rambhau Warghat, Prabodh Kumar Bajpai, Ravi Bihari Srivastava, Om Prakash Chaurasia, Rajinder Singh Chauhan, Hemant Sood
In Vitro Protocorm Development And Mass Multiplication Of An Endangered Orchid, Dactylorhiza Hatagirea, Ashish Rambhau Warghat, Prabodh Kumar Bajpai, Ravi Bihari Srivastava, Om Prakash Chaurasia, Rajinder Singh Chauhan, Hemant Sood
Turkish Journal of Botany
Immature seeds were cultured on 10 different media for germination. Maximum germination was achieved on Lindeman orchid medium (37.12%) within 17 days of culturing. Protocorms with leaf primordia were cultured on BM-2 and 7 different modifications of Murashige and Skoog (MS) medium with various hormone combinations [0-3 mg/L indole butyric acid (IBA) and 0-3 mg/L kinetin (Kin)] for plantlet regeneration and mass multiplication. Maximum number of shoots (18.12 ± 0.3), highest shoot length (17.80 cm ± 2.16), maximum root number (8.25 ± 0.69), and highest root length (8.02 cm ± 1.45) were found on MS medium with 3 mg/L IBA …
Campanula Alisan-Kilincii (Campanulaceae), A New Species From Eastern Anatolia, Turkey, Hasan Yildirim, Serdar Gökhan Şenol
Campanula Alisan-Kilincii (Campanulaceae), A New Species From Eastern Anatolia, Turkey, Hasan Yildirim, Serdar Gökhan Şenol
Turkish Journal of Botany
Campanula alisan-kilincii Yıldırım & Şenol (Campanulaceae) is described and illustrated as a new species from Malatya Province in eastern Anatolia, Turkey. The new species belongs to the section Rupestres, based on morphological features. It is morphologically similar to Campanula quercetorum and C. strigillosa but clearly differs from them based on the morphological differences presented in the species description. In addition, the conservation status, the distribution map, and notes on the biogeography and ecology of the new species are given.
Gladiolus Osmaniyensis (Iridaceae), A New Species From South Anatolia, Turkey, Mehmet Sağiroğlu, Gençay Akgül
Gladiolus Osmaniyensis (Iridaceae), A New Species From South Anatolia, Turkey, Mehmet Sağiroğlu, Gençay Akgül
Turkish Journal of Botany
A new species, Gladiolus osmaniyensis Sağıroğlu (Iridaceae), is described and illustrated from South Anatolia, Turkey. G. osmaniyensis is morphologically close to G. attilae and G. atroviolaceus. The ecology and phenology of the new species as well as its etymology, conservation status, and diagnostic morphological features are discussed. In addition, the seed surfaces of the G. osmaniyensis, G. attilae, and G. atroviolaceus are examined by SEM. The geographical distribution of the new species and the morphologically related species are mapped as well.
Low-Copy Nuclear Gene And Mcgish Resolves Polyploid History Of Eleusine Coracana And Morphological Character Evolution In Eleusine, Qing Liu, Bin Jiang, Jun Wen, Paul Michael Peterson
Low-Copy Nuclear Gene And Mcgish Resolves Polyploid History Of Eleusine Coracana And Morphological Character Evolution In Eleusine, Qing Liu, Bin Jiang, Jun Wen, Paul Michael Peterson
Turkish Journal of Botany
Eleusine coracana (L.) Gaertn. (finger millet) is the third most important cereal crop in semiarid regions of the world, but the degree of relatedness of finger millet with other species in the genus is unverified. The study of morphological character evolution in Eleusine Gaertn. has lagged behind due to lack of relevant research. Polyploidy history of finger millet was analyzed using waxy sequences together with multicolor genomic in situ hybridization (McGISH). In the waxy phylogenetic tree, sequences of 2 homoeologous loci were isolated from 3 tetraploids: Eleusine coracana, E. africana Kenn.-O'Byrne, and E. kigeziensis S.M.Phillips. The 3 species grouped with …
Genome Size And Phylogenetic Relationships Between The Tunisian Species Of The Genus Calligonum (Polygonaceae), Hassen Gouja, Alfredo Garcia Fernández, Teresa Garnatje, Aly Raies, Mohamed Neffati
Genome Size And Phylogenetic Relationships Between The Tunisian Species Of The Genus Calligonum (Polygonaceae), Hassen Gouja, Alfredo Garcia Fernández, Teresa Garnatje, Aly Raies, Mohamed Neffati
Turkish Journal of Botany
The species of the genus Calligonum L. (Polygonaceae) that appear in Tunisian deserts play an important role in maintaining local ecosystems and supply important natural resources in these regions. In this study, 31 individuals belonging to the 3 hypothetical species of the genus Calligonum (Calligonum arich Le Houér., Calligonum azel Maire, and Calligonum comosum L'Hér.) were collected from 12 populations in 6 localities of the Tunisian desert and examined to assess the relationship between species. Phylogenetic analyses using 1 nuclear (ITS) and 2 plastid regions (trnL-trnF and rbcL) and genome size assessments are used in this study to evaluate the …