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Articles 1 - 30 of 66
Full-Text Articles in Biology
Approximate Approach To The Das Model Of Fractional Logistic Population Growth, S. Das, P. K. Gupta, K. Vishal
Approximate Approach To The Das Model Of Fractional Logistic Population Growth, S. Das, P. K. Gupta, K. Vishal
Applications and Applied Mathematics: An International Journal (AAM)
In this article, the analytical method, Homotopy perturbation method (HPM) has been successfully implemented for solving nonlinear logistic model of fractional order. The fractional derivatives are described in the Caputo sense. Using initial value, the explicit solutions of population size for different particular cases have been derived. Numerical results show that the method is extremely efficient to solve this complicated biological model.
Foundational Checklist Of The Amphibians Of Wise County, Virginia, Sarah R.A. Davidson, David L. Chambers
Foundational Checklist Of The Amphibians Of Wise County, Virginia, Sarah R.A. Davidson, David L. Chambers
Virginia Journal of Science
The Appalachian Mountains are arguably home to the highest degree of amphibian diversity in the world, particularly caudate (salamander) biodiversity. Despite the high degree of amphibian endemism in the Appalachians, several regions remain unsurveyed for amphibian species. In addition to this knowledge gap, we are in the midst of alarming amphibian biodiversity loss. Thus, it is of the utmost importance to bridge this knowledge gap by conducting surveys before some of these amphibian species are lost. We surveyed Wise County (previously unsurveyed county in the Appalachian Mountains with no records existing in the primary literature) over two years to assess …
Section Abstracts: Biology With Microbiology And Molecular Biology
Section Abstracts: Biology With Microbiology And Molecular Biology
Virginia Journal of Science
Abstracts of the Biology with Microbiology and Molecular Biology Section for the 88th Annual Meeting for the Virginia Academy of Science, May 20-21, 2010, James Madison University, Harrisonburg, VA.
Section Abstracts: Natural History And Biodiversity
Section Abstracts: Natural History And Biodiversity
Virginia Journal of Science
Abstracts of the Natural History and Biodiversity Section for the 88th Annual Meeting of the Virginia Academy of Science, May 20-21, 2010, James Madison University, Harrisonburg, VA.
Corrections To The Paper "Phytoplankton Productivity In The Tidal Regions Of Four Chesapeake Bay (Usa) Tributaries." Virginia Journal Of Science. 2007 58(4): 191-204, By K. K. Nesius, H. G. Marshall, And T.A. Egerton
Virginia Journal of Science
Necessary corrections associated with the paper "Phytoplankton productivity in the tidal regions of four Chesapeake Bay (USA) tributaries", originally published in Virginia Journal of Science Volume 58, Number 4, pages 191-204, in 2007, by K.K. Nesius, H.G. Marshall, and T.A. Egerton.
A Habitat Model For The Detection Of Two-Lined Salamanders At C. F. Phelps Wildlife Management Area, Fauquier And Culpeper Counties, Virginia, Jay Mcghee, Michael D. Killian
A Habitat Model For The Detection Of Two-Lined Salamanders At C. F. Phelps Wildlife Management Area, Fauquier And Culpeper Counties, Virginia, Jay Mcghee, Michael D. Killian
Virginia Journal of Science
Aquatic salamanders represent an important component of Virginia river watersheds, but despite potential declines, few specifics are known about their habitat preferences. We surveyed the habitats of the northern two-lined salamander and collected data on an array of habitat variables associated with the species. We used a logistic regression analysis to develop a model predicting its presence or absence for a given 50m-transect. Our final model incorporated the variation in stream depth and direction of stream flow and accounted for 25% of the variation in our data. We conclude that stream depth variation is an important feature of salamander habitat …
Functional Feeding Groups, Species Richness, And Spatial Distributions Of Fishes In Rocky And Sandy Beach Habitats Of St. John, U.S. Virgin Islands, Eugene G. Maurakis, George E. Maurakis, Demetri E. Maurakis
Functional Feeding Groups, Species Richness, And Spatial Distributions Of Fishes In Rocky And Sandy Beach Habitats Of St. John, U.S. Virgin Islands, Eugene G. Maurakis, George E. Maurakis, Demetri E. Maurakis
Virginia Journal of Science
Objectives were to identify and compare fish species richness, functional feeding group richness and diversity, and delineate distributions of fishes at rocky and sandy beach habitats at St. John, U.S. Virgin Islands. Visual observations using snorkel and mask were made at 3-m intervals seaward from shore during daylight hours. A total of 69 taxa (67 species) representing 33 families of fishes were observed. Total (53) and average fish species richness (32.7) at rocky beach habitats were greater than those (total=43; average=24.3) at sandy beach habitats. Twelve functional feeding groups were identified (diurnal planktivores, excavators/eroders, macroalgae browsers, macrocarnivores, mobile benthic scrapers, …
Full Issue: Volume 4, Number 1
Full Issue: Volume 4, Number 1
The Science Journal of the Lander College of Arts and Sciences
No abstract provided.
Full Issue: Volume 3, Number 1
Full Issue: Volume 3, Number 1
The Science Journal of the Lander College of Arts and Sciences
No abstract provided.
Associative Learning In Larval Dosophila Melanogaster: The Role Of Heredity In Learning Speed And Persistence Of Leaning Into Adulthood, Jasmin Hicklen, Domonique Jones, Michelle Vieyra
Associative Learning In Larval Dosophila Melanogaster: The Role Of Heredity In Learning Speed And Persistence Of Leaning Into Adulthood, Jasmin Hicklen, Domonique Jones, Michelle Vieyra
Journal of the South Carolina Academy of Science
No abstract provided.
The Effects Of The Sumter Wastewater Treatment Plant On The Survival And Reproduction Of Ceriodaphnia Dubia In Chronic Toxicity Tests, Erin Worley, Pearl R. Fernandes, S. Michele Harmon, Jeff Steinmetz
The Effects Of The Sumter Wastewater Treatment Plant On The Survival And Reproduction Of Ceriodaphnia Dubia In Chronic Toxicity Tests, Erin Worley, Pearl R. Fernandes, S. Michele Harmon, Jeff Steinmetz
Journal of the South Carolina Academy of Science
No abstract provided.
Do Snakes Use Olfactory Receptors In The Nose To Detect Odors?: A Prediction Based On The Percentage Of Nonfunctional Olfactory Receptor Genes Amplified In Four Species Of Snakes, Taylor Byerly, Amanda Robinson, Michelle Vieyra
Do Snakes Use Olfactory Receptors In The Nose To Detect Odors?: A Prediction Based On The Percentage Of Nonfunctional Olfactory Receptor Genes Amplified In Four Species Of Snakes, Taylor Byerly, Amanda Robinson, Michelle Vieyra
Journal of the South Carolina Academy of Science
No abstract provided.
Physiological And Antioxidant Response Of Three Cultivars Of Cucumber (Cucumis Sativus L.) To Salinity, Gökçen Baysal Furtana, Ruki̇ye Tipirdamaz
Physiological And Antioxidant Response Of Three Cultivars Of Cucumber (Cucumis Sativus L.) To Salinity, Gökçen Baysal Furtana, Ruki̇ye Tipirdamaz
Turkish Journal of Biology
The effects of salinity on the growth, relative water content (RWC), chlorophyll content, inorganic ions, proline accumulation, lipid peroxidation and antioxidant enzymes, superoxide dismutase (SOD), ascorbate peroxidase (APOX), and catalase (CAT) of 3 cucumber (Cucumis sativus L.) cultivars (Çengelköy, Anadolu F1, and Beith Alpha) were investigated. Cucumber cultivars were grown in perlite culture and irrigated with half-strength Hoagland nutrient solution for a period of 35 days under controlled conditions. After this period, seedlings were treated with 150 mM NaCl solution and the plants were harvested on day 7 and day 14 of salt treatment. The fresh and dry weights, RWC, …
Brown Alga Sargassum Muticum Inhibits Proinflammatory Cytokines, Inos, And Cox-2 Expression In Macrophage Raw 264.7 Cells, Weon-Jong Yoon, Wook Jae Lee, Nam Ho Lee, Chang-Gu Hyun
Brown Alga Sargassum Muticum Inhibits Proinflammatory Cytokines, Inos, And Cox-2 Expression In Macrophage Raw 264.7 Cells, Weon-Jong Yoon, Wook Jae Lee, Nam Ho Lee, Chang-Gu Hyun
Turkish Journal of Biology
The present study was designed to elucidate the pharmacological and biological effects of Sargassum muticum extracts on the production of inflammatory mediators in macrophages. S. muticum was extracted with 80% EtOH. The extract was then successively partitioned with n-hexane, CH_2Cl_2, EtOAc, BuOH, and water. The results indicate that the CH_2Cl_2 fraction of S. muticum extract was an effective inhibitor of LPS-induced NO and PGE_2 production in RAW 264.7 cells. These inhibitory effects of the CH2Cl2 fraction of S. muticum included dose-dependent decreases in the expression of iNOS and COX-2 proteins and iNOS and COX-2 mRNA. To test the inhibitory effects …
Stimulatory Effects Of Ghrelin On Spontaneous Contractions In The Rat Myometrium, Alpaslan Dayangaç, Seli̇m Kutlu, Vahi̇t Konar
Stimulatory Effects Of Ghrelin On Spontaneous Contractions In The Rat Myometrium, Alpaslan Dayangaç, Seli̇m Kutlu, Vahi̇t Konar
Turkish Journal of Biology
Ghrelin, a recently isolated hormone, has been reported to have modulatory effects on smooth muscle contractility. In this study, we investigated the effects of ghrelin on spontaneous contractions in the rat uterus in vitro. Myometrium strips were removed from Wistar rats following decapitation and placed in a jacketed tissue bath. After initiation of spontaneous contractions, control contractions were recorded for 10 min and various concentrations of ghrelin were added to the tissue bath cumulatively. The Wilcoxon signed ranks test was used for statistical analysis. Application of ghrelin augmented the spontaneous contractions in myometrial strips. The mean peak amplitudes of contractions …
Callus Culture From Leaf Blade, Nodal, And Runner Segments Of Three Strawberry (Fragaria Sp.) Clones, Manosh Kumar Biswas, Monzur Hossain
Callus Culture From Leaf Blade, Nodal, And Runner Segments Of Three Strawberry (Fragaria Sp.) Clones, Manosh Kumar Biswas, Monzur Hossain
Turkish Journal of Biology
The present investigation was conducted to study the effects of auxin and cytokinin on callus induction from leaf blade, nodal, and runner segments of 3 strawberry clones. Among the 32 media combinations tested, 4.0 mg/L NAA + 1.5 mg/L IBA yielded the highest percentage of callus in all types of explants. The rate of adventitious shoot regeneration from callus was also influenced by explant type and concentration of BA in MS medium. The highest shoot regeneration rate was observed in leaf derived callus of clone Rabi-01 on media having 3 mg/L BA. Adventitious shoots were rooted, acclimatized, and subsequently transplanted …
The Superiority Of Cv ‘Rosea’ Over Cv ‘Alba’ Of Periwinkle (Catharanthus Roseus L.) In Alkaloid Production And Other Physiological Attributes, Mohd Idrees, M. Naeem, M. Masroor A. Khan
The Superiority Of Cv ‘Rosea’ Over Cv ‘Alba’ Of Periwinkle (Catharanthus Roseus L.) In Alkaloid Production And Other Physiological Attributes, Mohd Idrees, M. Naeem, M. Masroor A. Khan
Turkish Journal of Biology
A pot experiment was conducted during the winter season of 2006, on 2 cvs. of periwinkle (Catharanthus roseus L.), namely "rosea" (Pink) and "alba" (White), to investigate their performance in terms of growth, yield, and alkaloid production, as well as other physiological and biochemical attributes. The plants were harvested at 60, 90, and 150 days after planting (DAP) and the yield was recorded at 210 DAP. The results showed that "rosea" was superior to "alba" in plant height, total and individual leaf area, and fresh and dry weights at 90 DAP. Net photosynthetic rate, stomatal conductance, carbonic anhydrase activity and …
Evaluation Of Hypoglycemic And Hypolipidemic Activity Of Buteamonosperma Fruit In Diabetic Human Subjects, Fizza Naeem, Sohail Hassan Khan
Evaluation Of Hypoglycemic And Hypolipidemic Activity Of Buteamonosperma Fruit In Diabetic Human Subjects, Fizza Naeem, Sohail Hassan Khan
Turkish Journal of Biology
Evaluation of the hypoglycemic activity of local Butea monosperma (Palas papra) fruit in normal and diabetic human volunteers was conducted. Sampling was accomplished in and around the city of Faisalabad, especially at the Khadija Mahmood Trust Hospital and at the University of Agriculture, Faisalabad, Pakistan. Volunteers were categorized into normal and diabetic subjects on the basis of their blood glucose levels. Male and female diabetic volunteers aged between 30 and 60 years participated in the study. All the diabetic volunteers suffered from diabetes type II, i.e. non-insulin-dependent diabetes mellitus (NIDDM). The subjects were divided into 5 groups as follows: Group …
Relation Of The Wnt/Β-Catenin Signaling Pathway With Gynecological Cancers, Hani̇fe Güler Tanir, Şayeste Demi̇rezen, Mehmet Si̇nan Beksaç
Relation Of The Wnt/Β-Catenin Signaling Pathway With Gynecological Cancers, Hani̇fe Güler Tanir, Şayeste Demi̇rezen, Mehmet Si̇nan Beksaç
Turkish Journal of Biology
The Wnt signaling pathway is evolutionary conserved and controls many biological processes like cell proliferation and differentiation. It also provides planar polarity, regulation of the cell cycle, and cell adhesion during both the embryonic and adult period. However, it has been widely considered in the literature that some pathological alterations in various biomolecules involved in this pathway, and aberrant activation of signaling have important roles primarily in the genesis of colorectal and cervical cancer and several other serious diseases. The Wnt signaling pathway diversifies into 3 types: Wnt\beta-catenin signaling pathway, planar cell polarity pathway, and Wnt/calcium (Ca^{+2}) pathway. Only the …
A Native Glomus Sp. From Fields In Aydın Province And Effects Of Native And Commercial Mycorrhizal Fungi Inoculants On The Growth Of Some Vegetables, Ayhan Yildiz
Turkish Journal of Biology
Seventy soil samples were collected from 25 different plant varieties grown in fields in Aydın province. Arbuscular mycorrhizal fungi (AMF) were found in 59 soil samples; 58 of these were identified as Glomus sp. and 1 as Gigaspora sp. Due to its adaptation characteristics, growth rates, and colonization properties, Glomus sp. was selected for further study. The effects of Glomus sp. and BioOrganics (Glomus aggregatum, G. clarum, G. deserticola, G. intraradices, G. monosporus, G. mosseae, Gigaspora margarita, and Paraglomus brasilianum) on tomato, pepper, and cucumber plant development were evaluated. The indigenous Glomus sp. showed positive effects on cucumber and tomato …
The Effect Of 4-Chloroindole-3-Acetic Acid On Some Growth Parameters In Mung Bean Under Cadmium Stress, Mohammad Mazid, Barket Ali, Shamsul Hayat, Aqil Ahmad
The Effect Of 4-Chloroindole-3-Acetic Acid On Some Growth Parameters In Mung Bean Under Cadmium Stress, Mohammad Mazid, Barket Ali, Shamsul Hayat, Aqil Ahmad
Turkish Journal of Biology
Seedlings of mung bean (Vigna radiata L. Wilczek) cv. T-44 grown on a sand culture were exposed to cadmium (Cd) (100 µM) on day 10 of growth. These seedlings were subsequently sprayed with deionized water (control) or 4-chloroindole-3-acetic acid (4-Cl-IAA) (10^{-6} M) on day 15 and were sampled 30 days after sowing to assess growth and metabolite content. Growth (length, and fresh and dry mass of roots and shoots) and the level of metabolites (chlorophyll, nitrogen, phosphorus, total sugar, and soluble protein) in the leaves significantly decrease in response to Cd stress; however, the 4-Cl-IAA (10^{-6} M) treatment, both in …
Genetic Relationships Of The Genera Onobrychis, Hedysarum, And Sartoria Using Seed Storage Proteins, Emi̇ne Arslan, Kuddi̇si̇ Ertuğrul
Genetic Relationships Of The Genera Onobrychis, Hedysarum, And Sartoria Using Seed Storage Proteins, Emi̇ne Arslan, Kuddi̇si̇ Ertuğrul
Turkish Journal of Biology
Fifteen species belonging to 3 genera (Onobrychis, Hedysarum and Sartoria), collected from different geographical regions of Turkey were studied for the polypeptide patterns of their seed storage proteins. The variability of seed storage proteins was analysed by sodium dodecyl sulphate-polyacrylamide gel electrophoresis (SDS-PAGE). As many as 72 bands were scored and a dendrogram was constructed using UPGMA (unweighted pair group method with arithmetic mean). The dendrogram of the electrophoretic protein profiles of seeds showed 2 main clusters. While the first cluster with further subclusters included Onobrychis species, the second cluster included Sartoria and Hedysarum species present in 2 separate subclusters. …
Germination Characteristics And Molecular Characterizations Of Some Wheat Varieties In Sulaimanyah By Ssr Marker, Nawroz Abdul-Razzak Tahir
Germination Characteristics And Molecular Characterizations Of Some Wheat Varieties In Sulaimanyah By Ssr Marker, Nawroz Abdul-Razzak Tahir
Turkish Journal of Biology
The genetic diversity of 11 bread and durum wheat varieties was estimated using germination characteristic and molecular analysis. The phenotypic data showed highly significant differences between cultivars for germination speed, germination percentage, seedling length, fresh weight, and dry weight. Simple sequence repeats (SSRs) were used to examine the genomic diversity of wheat (Triticum aestivum L. and Triticum durum L.). Eleven wheat varieties of diverse origins were analyzed with 12 selected SSRs to provide uniform and maximum genome coverage. A total of 18 bread wheat and 20 durum wheat polymorphic allelic variants were detected, ranging from 1 to 4 per locus …
A Study On The Morphology Of Argulus Foliaceus Lin., 1758 (Crustacea; Branchiura) Procured From Çavuşcu Lake (Central Anatolia-Turkey) With Scanning Electron Microscopy, Ali̇ Alaş, Ahmet Öktener, Kemal Solak
A Study On The Morphology Of Argulus Foliaceus Lin., 1758 (Crustacea; Branchiura) Procured From Çavuşcu Lake (Central Anatolia-Turkey) With Scanning Electron Microscopy, Ali̇ Alaş, Ahmet Öktener, Kemal Solak
Turkish Journal of Biology
In this study, 24 carps (Cyprinus carpio Lin.,1758) caught from Çavuşçu Lake (Konya; 36°41´N, 34°26´E) were examined for metazoan parasites. Infestation rate of Argulus foliaceus Lin.,1758 was found to be 45.8%. In addition, Argulus foliaceus was photographed using a scanning electron microscope (SEM) and a light microscope.
The Effect Of Activator Application On The Anatomy, Morphology, And Viability Of Lycopersicon Esculentum Mill. Pollen, İlkay Öztürk Çali, Feyza Candan
The Effect Of Activator Application On The Anatomy, Morphology, And Viability Of Lycopersicon Esculentum Mill. Pollen, İlkay Öztürk Çali, Feyza Candan
Turkish Journal of Biology
The present study examined the effect of ACT-2, a K-vitamin group activator intensively applied to tomato (Lycopersicon esculentum Mill.), on the anatomy, morphology, and viability of tomato pollen from plants grown under greenhouse conditions. The activator was applied to tomatoes at the recommended dosage (150 cc/100 L of tap water) and double the recommended dosage (300 cc/100 L of tap water). Pollen width and length, exine and intine layer thickness, pore width and length, and crevice width and length were measured using an ocular micrometer. Reductions were observed in all the measured parameters in all application groups, except for pollen …
Cadmium-Induced Antioxidant Status And Sister-Chromatid Exchanges In Vicia Faba L., Serpi̇l Ünyayar, Ayşi̇n Güzel Değer, Ayla Çeli̇k, Fazi̇let Özlem Çeki̇ç, Sertan Çevi̇k
Cadmium-Induced Antioxidant Status And Sister-Chromatid Exchanges In Vicia Faba L., Serpi̇l Ünyayar, Ayşi̇n Güzel Değer, Ayla Çeli̇k, Fazi̇let Özlem Çeki̇ç, Sertan Çevi̇k
Turkish Journal of Biology
The effects of cadmium (Cd) on antioxidant responses and sister chromatid exchanges (SCE) were studied in Vicia faba L. The activities of superoxide dismutase (SOD), catalase (CAT), ascorbate peroxidase (APX), and glutathione reductase (GR), and the levels of ascorbate (ASC), glutathione (GSH), hydrogen peroxide, and malondialdehyde (MDA, indicator of lipid peroxidation) were measured. Genotoxicity was evaluated by measuring the changes in the mitotic index (MI) and sister chromatid exchanges (SCE). Increased activities of SOD and CAT were observed in plants treated with 50 and 100 µM Cd. It was found that APX activity increased remarkably with 50 µM Cd, but …
Siderophore, Hemolytic, Protease, And Pyrazinamidase Activities And Antibiotic Resistance In Motile Aeromonas Isolated From Fish, Belgi̇n Erdem, Ergi̇n Kari̇ptaş, Tayfun Kaya
Siderophore, Hemolytic, Protease, And Pyrazinamidase Activities And Antibiotic Resistance In Motile Aeromonas Isolated From Fish, Belgi̇n Erdem, Ergi̇n Kari̇ptaş, Tayfun Kaya
Turkish Journal of Biology
A total of 120 fresh water fish samples were evaluated for the presence of Aeromonas spp. A. hydrophila, A. caviae, and A. veronii bv. sobria were isolated from the gills, intestines, livers, and skins of fish, and 78 isolated Aeromonas spp. strains were further examined for siderophore, hemolytic, protease, and pyrazinamidase activities and antibiotic resistance. Siderophore production was demonstrated in almost all of the A. hydrophila and A. caviae strains except for 2 strains of A. veronii bv. sobria. The strains identified as A. hydrophila and A. veronii bv. sobria were the stronger producers of hemolysin, whereas the A. caviae …
The Effects Of 2,4-Dichlorophenoxy Acetic Acid And Isoproturon Herbicides On The Mitotic Activity Of Wheat (Triticum Aestivum L.) Root Tips, Sanjay Kumar, Shashi Kiran Arya, B. K. Roy, Atul Kumar Singh
The Effects Of 2,4-Dichlorophenoxy Acetic Acid And Isoproturon Herbicides On The Mitotic Activity Of Wheat (Triticum Aestivum L.) Root Tips, Sanjay Kumar, Shashi Kiran Arya, B. K. Roy, Atul Kumar Singh
Turkish Journal of Biology
The effects of the herbicides 2,4-dichlorophenoxy acetic acid and isoproturon on 3 wheat (Triticum aestivum L.) varieties (HUW 234, HUW 468, and HUW 533) were studied with regards to mitotic abnormalities and chromosomal behavior. Pre-soaked seeds were treated with both herbicides at concentrations of 50-1200 ppm. Both 2,4-D and isoproturon were highly mito-inhibitory and induced chromosomal abnormalities, such as precocious movement, stickiness, and chromosome bridges, with and without laggards and fragments at the anaphase and telophase. The frequency of chromosomal anomalies in almost all the targets used was high at the maximum dose of both herbicides, individually as well as …
Nutritive Value Of Edible Wild And Cultured Mushrooms, Sevda Kirbağ, Mehmet Akyüz
Nutritive Value Of Edible Wild And Cultured Mushrooms, Sevda Kirbağ, Mehmet Akyüz
Turkish Journal of Biology
The nutritive value of Pleurotus ostreatus (Jacq. ex Fr.) Kumm., Pleurotus sajor-caju (Fr.) Singer, and Agaricus bisporus (Large) Sign. was determined. Dry matter, moisture, crude ash, protein, fat, cellulose, organic matter, and nitrogen-free extract were 89.7%-90.3%, 9.7%-10.3%, 6.0%-13.7%, 27.8%-41.6%, 0.5%-1.3%, 10.0%-16.2%, 76.0%-84.0%, and 26.7%-36.8% of dry weight, respectively. Mineral element contents were 14.1-45.6 g K kg^{-1}, 0.2-1.2 g Ca kg^{-1} , 0.4-1.9 g Mg kg^{-1}, and 0.2-0.9 g Na kg^{-1} as macronutrients, and 176.5-838.0 mg Fe kg^{-1}, 35.0-46.0 mg Zn kg^{-1}, 4.8-65.4 mg Mn kg^{-1}, 6.5-21.5 mg Cu kg^{-1}, 0.0-11.5 mg Cr kg^{-1}, and 0.0-1.65 mg Cd kg^{-1} as micronutrients …
Maternal Donors Of Polyploids In Pseudoroegneria (Poaceae: Triticeae) And Related Genera Inferred From Chloroplast Trnl-F Sequences, Yu Hai-Qing, Zhang Chun, Ding Chun-Bang, Ma Xiao, Zhou Yong-Hong
Maternal Donors Of Polyploids In Pseudoroegneria (Poaceae: Triticeae) And Related Genera Inferred From Chloroplast Trnl-F Sequences, Yu Hai-Qing, Zhang Chun, Ding Chun-Bang, Ma Xiao, Zhou Yong-Hong
Turkish Journal of Biology
To investigate the maternal donors and phylogenetic relationships of polyploids in Pseudoroegneria and related genera, the chloroplast trnL-F sequences of 31 Triticeae accessions were analyzed. The substitution saturation analysis of trnL-F sequences in this study suggested that they are suitable for phylogenetic analysis. In the trnL-F sequences tree, 4 major clades were formed: (a) the St/E clade comprised all of the Pseudoroegneria species together with species in Roegneria, Elytrigia, Douglasdeweya and Lophopyrum; (b) A. cristatum, A. mongolicum, and A. pectinatum subsp. retrofractum formed the P/W clade; (c) the Ns clade included species in Psathyrostachys; and (d) the H clade consisted …