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Articles 1 - 30 of 80
Full-Text Articles in Life Sciences
Survey Of Trap Contents Of Four Species Of Bladderworts (Utricularia) From Harlow Lake In Marquette, Mi., Jenna Happach
Survey Of Trap Contents Of Four Species Of Bladderworts (Utricularia) From Harlow Lake In Marquette, Mi., Jenna Happach
Conspectus Borealis
No abstract provided.
Phytochemical Screening And Determination Of Antibacterial, Anti-Tumorigenic And Dna Protection Ability Of Root Extracts Of Saussurea Lappa, Sughra Arif Minhas, Fida Muhammad Khan, Fakhar-I- Abbas, Abu Ul Hassan Faiz
Phytochemical Screening And Determination Of Antibacterial, Anti-Tumorigenic And Dna Protection Ability Of Root Extracts Of Saussurea Lappa, Sughra Arif Minhas, Fida Muhammad Khan, Fakhar-I- Abbas, Abu Ul Hassan Faiz
Journal of Bioresource Management
Saussurea lappa is a traditionally well-known plant for its medicinal uses in different indigenous systems of medicine. It is widely used in the treatment of asthma, ulcer, stomach problems and inflammatory diseases. In current study the phytochemical screening of S. lappa showed the presence of sesquiterpenes, anthraquinones, lignans, alkaloids, flavonoids, glycosides and steroids. Antimicrobial potential of subject plant was also investigated against three bacterial strains and maximum antibacterial activity was observed by CEE against S. aureus, CAE against P. aeruginosa, while CME, CEE, EAE and PEE showed almost same significant activity against E. coli. The CME (1000 …
Rosa Hybrid Gene Gapc Is Mutated In The Presence Of The Rose Rosette Virus, William A. Beams, Eva L. Burelos, Charles C. Hundley, Landon R. Dame, Laura G. Sims, Jacob J. Adler
Rosa Hybrid Gene Gapc Is Mutated In The Presence Of The Rose Rosette Virus, William A. Beams, Eva L. Burelos, Charles C. Hundley, Landon R. Dame, Laura G. Sims, Jacob J. Adler
Kentucky Journal of Undergraduate Scholarship
Rose Rosette Disease (RRD) harms the global rose supply by modification of the growth and development in rose cultivar. RRD spreads via a negative-sense RNA plant virus transmitted by eriophyid mites. Importantly, there is no pre-existing knowledge about the biochemistry by which this virus debilitates roses. Here we implicate glyceraldehyde-3-phosphate dehydrogenase (GAPDH), one of the major metabolic enzymes in plants, as a possible target of the virus. Genomic DNA of the cytosolic form of the protein encoded by GAPC was extracted from both virally-infected and non-infected samples of the Rosa hybrid cultivar Rosa Tropicana. The sequence results provided several distinct …
A Vascular Flora Of The Kiavah Wilderness, Scodie Mountains, Kern County, California, Erika M. Gardner
A Vascular Flora Of The Kiavah Wilderness, Scodie Mountains, Kern County, California, Erika M. Gardner
Aliso: A Journal of Systematic and Floristic Botany
Congress designated the Kiavah Wilderness in 1994 under the California Desert Protection Act. It is located in the Scodie Mountains in Kern County, ca. 24 km (15 mi) east of Lake Isabella and 24 km (15 mi) west of Ridgecrest, and encompasses a total of 137 mi2 (354 km2) with elevations ranging from 1000 to 2200 m (3500–7294 ft). The Wilderness is ecologically important because it occurs in a transition zone between two floristic provinces, the Sierra Nevada of the California Floristic Province and the Mojave Desert of the Desert Province. It is of cultural significance because …
Phylogenetics Of The Borage Family: Delimiting Boraginales And Assessing Closest Relatives, Kristen E. Hasenstab-Lehman
Phylogenetics Of The Borage Family: Delimiting Boraginales And Assessing Closest Relatives, Kristen E. Hasenstab-Lehman
Aliso: A Journal of Systematic and Floristic Botany
The placement of Boraginales, and relationships within the family have remained elusive in modern, broad phylogenetic studies. In order to assess the phylogeny of Boraginales, and specifically to test the sister lineage of the order, a data matrix of the chloroplast markers rbcL, ndhF, and trnL-trnF was assembled from GenBank and de novo sequences (representing 132 new GenBank accessions). Phylogenies inferred using Maximum Likelihood and Bayesian frameworks resulted in identical topologies. Tests for alternative topologies were used to assess whether any of the candidates for sister (Solanales, Gentianales, Lamiales, or Vahlia) to Boraginales could …
Vestured Pits In Echium (Boraginaceae): Island Woodiness Revisited, Sherwin Carlquist
Vestured Pits In Echium (Boraginaceae): Island Woodiness Revisited, Sherwin Carlquist
Aliso: A Journal of Systematic and Floristic Botany
Vestured pits are present on pits of secondary xylem vessels of all studied Echium species, roots as well as stems. Variations in vesturing presence do occur in the genus (across wide circular pit cavities; along margins of elliptical pit apertures; aggregated to various degrees; variously abundant), but these are difficult to define precisely and are related primarily to organography and ecology rather than to the taxonomic system. The Macaronesian species have been reported to form a single clade. Wood anatomical features other than vesturing are also closely keyed to species ecology and, in particular subclades, growth forms. Woodiness, exemplified by …
Impact Of Ground Water Depletion On The Mesquite Community At Edwards Air Force Base, Western Mojave Desert, California, Jonathan E. Campbell, M. Rasoul Sharifi, Philip W. Rundel
Impact Of Ground Water Depletion On The Mesquite Community At Edwards Air Force Base, Western Mojave Desert, California, Jonathan E. Campbell, M. Rasoul Sharifi, Philip W. Rundel
Aliso: A Journal of Systematic and Floristic Botany
Edwards Air Force Base (EAFB) provides a habitat refugium for mesquite woodlands in the western Mojave Desert of the Antelope Valley. Although many mesquite communities in the arid southwest are considered invasive as they reduce the extent of grazing lands, the community at EAFB is composed primarily of large, widely spaced trees that provide food and shelter for local wildlife species and recreational opportunities for base personnel. Unfortunately, the range of these mesquite trees appears to be contracting as mature and old individuals dominate the community. Although anecdotal evidence suggests that the fall in the local groundwater table is responsible …
The Vegetation And Flora Of Edwards Air Force Base, Western Mojave Desert, California, David Charlton, Philip W. Rundel
The Vegetation And Flora Of Edwards Air Force Base, Western Mojave Desert, California, David Charlton, Philip W. Rundel
Aliso: A Journal of Systematic and Floristic Botany
Edwards Air Force Base extends over 121,000 ha in the Antelope Valley of the western Mojave Desert, with much of the area part of a closed endorheic basin that held the Pleistocene Lake Thompson. Notable topographic features are Rogers, Rosamond and Buckhorn dry lakes, while rounded domes and scattered hills are present to the north and east. Elevation gradients are limited, ranging from a low of 690 m to 1044 m near the eastern margin. Diverse communities of saltbush scrub dominate the lower plains, while creosote bush scrub and Joshua tree woodlands are present away from the old lake basin. …
Richness And Current Status Of Gymnosperm Communities In Aguascalientes, Mexico, María Elena Siqueiros-Delgado, Rebecca S. Miguel, José A. Rodríguez-Avalos, Julio Martínez-Ramírez, José C. Sierra-Muñoz
Richness And Current Status Of Gymnosperm Communities In Aguascalientes, Mexico, María Elena Siqueiros-Delgado, Rebecca S. Miguel, José A. Rodríguez-Avalos, Julio Martínez-Ramírez, José C. Sierra-Muñoz
Aliso: A Journal of Systematic and Floristic Botany
The gymnosperm diversity of Aguascalientes, Mexico, is presented. Fifteen species from five genera and three families are reported, two of Coniferales (Cupressaceae and Pinaceae) and one of Gnetales (Ephedraceae). Pinus is the most diverse and abundant genus with seven species. The most abundant species is P. teocote, while P. strobiformis is the scarcest. Juniperus is the next most diverse genus, represented by four species, with J. deppeana the most abundant and J. durangensis the scarcest. Cupressus lusitanica, Taxodium mucronatum and Ephedra compacta are each the sole representatives of their genera. Most conifers occupy the mountainous part of the …
Plant Phenology And Water Relations In A Saline Pan-Dune Mosaic In The Western Mojave Desert, M. Rasoul Sharifi, William N. Brostoff, Philip W. Rundel
Plant Phenology And Water Relations In A Saline Pan-Dune Mosaic In The Western Mojave Desert, M. Rasoul Sharifi, William N. Brostoff, Philip W. Rundel
Aliso: A Journal of Systematic and Floristic Botany
An extensive mosaic of small clay pans and low stable dunes exists within Edwards Air Force Base in the western Mojave Desert of California. This pan-dune ecosystem, positioned between the large Rosamond and Rogers dry lakes on the old Pleistocene lakebed of Lake Thompson, provides an opportunity to study the seasonal patterns in growth and flowering phenology and water relations in a saltbush scrub community dominated by a mix of C3 and C4 species. C3 shrubs initiated vegetative growth in February, with current shoot and leaf production largely ceasing in most species by mid-April. The deeply rooted …
Index To Volume 35
Aliso: A Journal of Systematic and Floristic Botany
No abstract provided.
Letter From The Dean, Lona Robertson
Letter From The Dean, Lona Robertson
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
No abstract provided.
Message From The Faculty Editor, Mary Savin
Message From The Faculty Editor, Mary Savin
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
No abstract provided.
Contents, Discovery Editors
Contents, Discovery Editors
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
No abstract provided.
Bumpers College Students In Action, Discovery Editors
Bumpers College Students In Action, Discovery Editors
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
No abstract provided.
Community Structure And Demography In A Saline Pan-Dune Mosaic In The Western Mojave Desert, M. Rasoul Sharifi, William N. Brostoff, Philip W. Rundel
Community Structure And Demography In A Saline Pan-Dune Mosaic In The Western Mojave Desert, M. Rasoul Sharifi, William N. Brostoff, Philip W. Rundel
Aliso: A Journal of Systematic and Floristic Botany
A unique saline ecological system formed by an extensive mosaic of small clay pans and low stable dunes exists within Edwards Air Force Base in the western Mojave Desert of California. This ecosystem lies between the large Rosamond and Rogers dry lakes on the old Pleistocene lakebed of Lake Thompson. Plant communities on the low and relatively stable dunes were broadly classed as saltbush scrub, with a total canopy cover of 30–36%. Atriplex confertifolia was the typical dominant, with Ericameria nauseosa as an important associate. Taller dunes of younger age and less saline soils had similar plant cover, but a …
Instructions For Authors, Discovery Editors
Instructions For Authors, 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 18 2017, Several Authors
Discovery: The Student Journal Of Dale Bumpers College Of Agricultural, Food And Life Sciences - Volume 18 2017, Several Authors
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
No abstract provided.
Instructions For Authors, Discovery Editors
Instructions For Authors, Discovery Editors
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
No abstract provided.
Assessment Of Genetic Diversity Of Rose Genotypes Using Issr Markers, Ti̇jen Oğraş, Evren Koban Baştanlar, Özge Karakaş Meti̇n, İrfan Kandemi̇r, Hasan Özçeli̇k
Assessment Of Genetic Diversity Of Rose Genotypes Using Issr Markers, Ti̇jen Oğraş, Evren Koban Baştanlar, Özge Karakaş Meti̇n, İrfan Kandemi̇r, Hasan Özçeli̇k
Turkish Journal of Botany
The genus Rosa L. (Rosaceae) is an important ornamental crop with a high economic value in floriculture, cosmetics, and pharmaceutical industries. Turkey is an important country in rose cultivation with unique species and cultivars, especially for rose oil production. Breeding programs of different rose genotypes are crucial for the development of new commercial varieties. In this study, genetic relationships among the old rose cultivars locally grown in Isparta were assessed by DNA fingerprinting. Inter-simple sequence repeats markers (ISSRs) were used to investigate the genetic diversity among nineteen locally grown rose genotypes. Nineteen ISSR primers yielded a total of 413 scorable …
The Effects Of Adaptogens On The Physical And Psychological Symptoms Of Chronic Stress, Tosin O. Ajala
The Effects Of Adaptogens On The Physical And Psychological Symptoms Of Chronic Stress, Tosin O. Ajala
DISCOVERY: Georgia State Honors College Undergraduate Research Journal
Stress is a state of disharmony or threatened homeostasis. The maintenance of homeostasis in stages of internal or external challenges, called stressors, requires constant adjustments of hormonal, behavioral, and autonomic functions. The nuances of life may bring about unwanted stress to the human body. Some of the top causes of stress in America include work, finances, relationships, and health. There are numerous physical and psychological symptoms associated with long-term “chronic” stress, which include chronic fatigue, frustration, irritability, insomnia, frequent headaches, chest and back pain, weakness, and weight gain or weight loss. These symptoms of chronic stress are associated with depression, …
Phytoplankton Dynamics And Structure, And Ecological Status Estimation By The Q Assemblage Index: A Comparative Analysis In Two Shallow Mediterranean Lakes, Tuğba Ongun Sevi̇ndi̇k, Hati̇ce Tunca, Ari̇f Gönülol, Ni̇sa Gürsoy, Şeyma Nur Küçükkaya, Zuhal Kinali
Phytoplankton Dynamics And Structure, And Ecological Status Estimation By The Q Assemblage Index: A Comparative Analysis In Two Shallow Mediterranean Lakes, Tuğba Ongun Sevi̇ndi̇k, Hati̇ce Tunca, Ari̇f Gönülol, Ni̇sa Gürsoy, Şeyma Nur Küçükkaya, Zuhal Kinali
Turkish Journal of Botany
The aim of this research was to compare the phytoplankton structure on the basis of environmental variables and test the Q assemblage index based on phytoplankton functional groups in two shallow Mediterranean lakes [Lake Taşkısığı (LT) and Lake Little Akgöl (LLA)] in the north of Turkey. Variations in the phytoplankton structure and environmental parameters were analyzed monthly at two stations of each lake between January 2013 and December 2013. We showed that total phosphorus (TP) values were vital in shaping phytoplankton biomass in eutrophic LLA. Nitrate-nitrogen (NO3-N), TP, zmix/zeu, and macrophyte coverage are important in shaping the differences in dominant …
Floristic Differentiation Between Mid-Seral Communities Of Abandonedcharcoal Kilns In The Forests Of The Gargano Promontory (South Italy), Franco Pedrotti, Dan Gafta
Floristic Differentiation Between Mid-Seral Communities Of Abandonedcharcoal Kilns In The Forests Of The Gargano Promontory (South Italy), Franco Pedrotti, Dan Gafta
Turkish Journal of Botany
We searched for patterns in species composition and richness of mid-seral communities developed on abandoned charcoal hearths that might be induced by differences in succession progress and forest context. One phytosociological relevé was performed on each of the 22 charcoal platforms located in beech (Anemono apenninae-Fagetum) and oak-hornbeam forests (Doronico-Carpinetum). The ratio of forest understorey to non-forest species richness (F/nF) at plot level was used as a proxy for the succession progress. There was a sharp differentiation of plant communities due to their floristic resemblance with the understory vegetation of the forest type in which they were integrated. Nevertheless, these …
A Karyomorphological Study On The Genus Muscari Mill. Growing In Kahramanmaraş (Turkey), Serpi̇l Demi̇rci̇ Kayiran, Fatma Neri̇man Özhatay
A Karyomorphological Study On The Genus Muscari Mill. Growing In Kahramanmaraş (Turkey), Serpi̇l Demi̇rci̇ Kayiran, Fatma Neri̇man Özhatay
Turkish Journal of Botany
The karyotypes and idiograms of nine Muscari Mill. species from 21 populations distributed in Kahramanmaraş province, southern Turkey, were examined: M. armeniacum Leichtlin ex Baker 2n = 18 (diploid); M. aucheri (Boiss.) Baker 2n = 18 (diploid); M. anatolicum Cowley & Özhatay 2n = 27 (triploid); M. neglectum Guss. 2n = 18 (diploid), 36 (tetraploid), 54 (hexaploid); M. parviflorum Desf. 2n = 36 (tetraploid); M. babachii Eker & Koyuncu 2n = 18 (diploid); M. comosum Miller 2n = 18 (diploid); M. tenuiflorum Tausch 2n = 18 (diploid); and M. azureum Fenzl 2n = 18 (diploid). M. anatolicum is an endemic …
A New Bryophyte Community And Three New Records For The Epiphytic Bryophyte Vegetation Of Turkey, Mevlüt Alataş, Güray Uyar
A New Bryophyte Community And Three New Records For The Epiphytic Bryophyte Vegetation Of Turkey, Mevlüt Alataş, Güray Uyar
Turkish Journal of Botany
Based on 38 relevés, the Lewinskyetum affinis ass. nov. (Ulotion crispae alliance) was described and characterized as a new epiphytic association from the Abant Mountains (Northwest Turkey). To the best of our knowledge, this is the first report about three epiphytic bryophyte associations, namely Dicranetum taurici, Pterigynandretum filiformis, and Orthotricho straminei-Pterigynandretum filiformis, in Turkey. In addition, multivariate analysis techniques such as two-way indicator species analysis (TWINSPAN) and detrended correspondence analysis (DECORANA) were used to examine epiphytic bryophyte communities for cluster analysis and ordination analysis, respectively.
Peucedanum Guvenianum (Apiaceae), A New Species From West Anatolia, Turkey, Hasan Yildirim, Hayri̇ Duman
Peucedanum Guvenianum (Apiaceae), A New Species From West Anatolia, Turkey, Hasan Yildirim, Hayri̇ Duman
Turkish Journal of Botany
Peucedanum guvenianum Yıldırım & H.Duman is described as a species new to science. It is endemic to the West Anatolia region of Turkey. It is known from a single locality in İzmir Province. P. guvenianum shows similarities to P. longifolium, P. ruthenicum, and P. vourinense. Diagnostic morphological characters are discussed and compared with those of closely related taxa. It is easily distinguished from related species especially by its stem 130-220 cm tall, distinctly striate, densely branched from below the middle to upper part; basal leaves 28-40 cm long and 20-70 cm wide; bracts linear-lanceolate and erect; petals emarginate at apex; …
Taxonomic Position Of Abies Equi-Trojani On The Basis Of Needlecharacters By Comparison With Different Fir Species, Anna Katarzyna Jasinska, Katarzyna Sekiewicz, Tolga Ok, Angel Romo, Adam Boratynski, Krystyna Boratynska
Taxonomic Position Of Abies Equi-Trojani On The Basis Of Needlecharacters By Comparison With Different Fir Species, Anna Katarzyna Jasinska, Katarzyna Sekiewicz, Tolga Ok, Angel Romo, Adam Boratynski, Krystyna Boratynska
Turkish Journal of Botany
The needles from 25 trees of Abies equi-trojani from Kazdağı (Mount Ida) were compared with those from four populations of A. alba, two of A. cephalonica, and three of each of A. xborisii-regis, A. bornmuelleriana, and A. nordmanniana, each represented by 29-31 individuals. Thirty-nine morphological and anatomical needle characters (26 main and 13 estimated ones) were examined biometrically to verify the systematic position of A. equi-trojani. To evaluate the relationships among taxa, Student's t-test for independent samples, the Mann-Whitney U test, and discrimination and clustering analyses were applied. The differences between taxa were statistically significant for several characters, but the …
Habitat Factors Influencing The Competitive Ability Of Calamagrostis Epigejos (L.) Roth In Mountain Plant Communities, Daniel Pruchniewicz, Ludwik Zolnierz, Vlatko Andonovski
Habitat Factors Influencing The Competitive Ability Of Calamagrostis Epigejos (L.) Roth In Mountain Plant Communities, Daniel Pruchniewicz, Ludwik Zolnierz, Vlatko Andonovski
Turkish Journal of Botany
The aim of this study was to assess how the expansion of Calamagrostis epigejos influences the species composition and diversity of forest, clearing, and meadow communities as well as how habitat factors influence biometric variability and features determining the potential of Calamagrostis epigejos for expansion in the studied communities. The study was conducted in the central part of the Sudetes Mountains (SW Poland). Four types of communities with C. epigejos occurrence were chosen: a beech forest (Luzulo luzuloidis-Fagetum), a Norway spruce monoculture, a clearing community belonging to the Epilobietea angustifolii class, and a mesic mountain meadow of the Arrhenatheretalia order. …
Transgenic Basmati Rice Transformed With The Xa21 Gene Shows Resistance Against Bacterial Leaf Blight, Zahid Mukhtar, Shahida Hasnain
Transgenic Basmati Rice Transformed With The Xa21 Gene Shows Resistance Against Bacterial Leaf Blight, Zahid Mukhtar, Shahida Hasnain
Turkish Journal of Botany
Rice (Oryza sativa L.) cultivar Super Basmati was transformed with a cloned gene, Xa21, through particle bombardment method. Twenty-two plants were recovered from the selected calli. Initial screening through PCR confirmed the presence of the transgene in 21 plants. Southern analysis further confirmed the integration of the Xa21 gene into the genome of these transgenic plants. Analysis of the T1 generation revealed that both the hpt and Xa21 genes were successfully transmitted from the primary transformants to the progeny. Bioassays with two local isolates of bacterial leaf blight pathogen, Xanthomonas oryzae pv. oryzae (Xoo), showed that 14 transgenic lines were …
Relationships Between Sorghum Bicolor (Poaceae) And Its Closerelatives Based On Genomic In Situ Hybridization Evidence, Qing Liu, H L, Jun Wen
Relationships Between Sorghum Bicolor (Poaceae) And Its Closerelatives Based On Genomic In Situ Hybridization Evidence, Qing Liu, H L, Jun Wen
Turkish Journal of Botany
Sorghum bicolor (L.) Moench (sorghum) is a naturally well-established diploid species with 2n = 2x = 20. Here we provide evidence to identify the genomic relationships of S. bicolor and its extant relatives using genomic in situ hybridization. The genomic divergences between S. bicolor and its close relatives may be presented as: S. bicolor-S. x drummondii (Nees ex Steud.) Millsp. & Chase < S. bicolor-S. x almum Parodi < S. bicolor S. arundinaceum (Desv.) Stapf < S. bicolor-S. propinquum (Kunth) Hitchc. Sorghum arundinaceum probe signals showed spotted or painted patterns on the S. bicolor chromosomes, indicating that the degree of genomic divergence between S. bicolor and S. arundinaceum is distinct. It is reasonable to infer that S. bicolor might have diverged from S. arundinaceum in the early diversification history of the subgenus. The probe signal intensity of S. arundinaceum and S. propinquum is greater on the 17 chromosomes than on the remaining 23 chromosomes of S. halepense (L.) Pers., whereas S. bicolor and S. propinquum probes produced spotted or patchy signals on the 40 S. halepense chromosomes. Therefore, the degree of genomic divergence may be presented as: S. halepense-S. bicolor < S. halepense-S. arundinaceum < S. halepense-S. propinquum.