Two New Records And A Confirmation For The Vascular Flora Of Turkey,
2016
TÜBİTAK
Two New Records And A Confirmation For The Vascular Flora Of Turkey, Hasan Yildirim, Yusuf Altioğlu, Ri̇yat Gül, Meli̇ha Gemi̇ci̇
Turkish Journal of Botany
Campanula raddeana Trautv. (Campanulaceae), based on samples collected from Çıldır (A9 Ardahan), and Galatella cretica Gand. (Asteraceae), based on samples collected from Marmaris (C1 Muğla), were recorded as new findings for the Flora of Turkey. In addition, Silene samia Melzh. & Christod. (Caryophyllaceae) was confirmed in Turkey based on samples from four localities in southwest Anatolia. Detailed descriptions, locality information, and distribution maps of the cited taxa were also given in the present study.
Grain Sorghum Leaf Reflectance And Nitrogen Status,
2016
University of Nebraska-Lincoln
Grain Sorghum Leaf Reflectance And Nitrogen Status, Akwasi A. Abunyewa, Richard B. Ferguson, Charles S. Wortmann, Stephen C. Mason
Department of Agronomy and Horticulture: Faculty Publications
Nitrogen deficiency is a common but readily managed constraint to grain yield. A quick and nondestructive detection of crop N status using remote sensing could be a means to increased N use efficiency. Research was conducted in a greenhouse in 2006 at the University of Nebraska-Lincoln to establish the relationship of spectral reflectance with N status in leaves of grain sorghum, to develop indices for interpretation of the results and to predict chlorophyll content. Nitrogen stress decreased chlorophyll meter reading and leaf N content, but increased leaf and canopy reflectance. The SPAD values were significantly increased by both water and …
Genome-Wide Association Mapping Of Qualitatively
Inherited Traits In A Germplasm Collection,
2016
University of Nebraska-Lincoln
Genome-Wide Association Mapping Of Qualitatively Inherited Traits In A Germplasm Collection, Nonoy B. Bandillo, Aaron J. Lorenz, George L. Graef, Diego Jarquin, David L. Hyten, Randall L. Nelson, James E. Specht
Department of Agronomy and Horticulture: Faculty Publications
Genome-wide association (GWA) has been used as a tool for dissecting the genetic architecture of quantitatively inherited traits. We demonstrate here that GWA can also be highly useful for detecting many major genes governing categorically defined phenotype variants that exist for qualitatively inherited traits in a germplasm collection. Genome-wide association mapping was applied to categorical phenotypic data available for 10 descriptive traits in a collection of ~13,000 soybean [Glycine max (L.) Merr.] accessions that had been genotyped with a 50,000 single nucleotide polymorphism (SNP) chip. A GWA on a panel of accessions of this magnitude can offer substantial statistical …
Dioxygenase-Encoding Atdao1 Gene Controls Iaa
Oxidation And Homeostasis In Arabidopsis,
2016
University of Nottingham
Dioxygenase-Encoding Atdao1 Gene Controls Iaa Oxidation And Homeostasis In Arabidopsis, Silvana Porco, Aleš Pěnčík, Afaf Rashed, Ute Voβ, Rubén Casanova-Sáez, Anthony Bishop, Agata Golebiowska, Rahul Bhosale, Ranjan Swarup, Kamal Swarup, Pavlína Penáková, Ondrej Novák, Paul E. Staswick, Peter Hedden, Andrew L. Phillips, Kris Vissenberg, Malcolm J. Bennett, Karin Ljung
Department of Agronomy and Horticulture: Faculty Publications
Auxin represents a key signal in plants, regulating almost every aspect of their growth and development. Major breakthroughs have been made dissecting the molecular basis of auxin transport, perception, and response. In contrast, how plants control the metabolism and homeostasis of the major form of auxin in plants, indole-3- acetic acid (IAA), remains unclear. In this paper, we initially describe the function of the Arabidopsis thaliana gene DIOXYGENASE FOR AUXIN OXIDATION 1 (AtDAO1). Transcriptional and translational reporter lines revealed that AtDAO1 encodes a highly root-expressed, cytoplasmically localized IAA oxidase. Stable isotope-labeled IAA feeding studies of loss and …
Plant Functionality Across An Environmental Gradient,
2016
Virginia Commonwealth University
Plant Functionality Across An Environmental Gradient, Taylor L. Price, Julie Zinnert
Undergraduate Research Posters
Community assemblages provide insight into ecosystem processes, both spatially and temporally. They interact with biotic and abiotic factors that vary with habitat structure, influencing community composition. Ecological theory demonstrates that species have the potential for a wide fundamental niche, but habitat range may be restricted by factors exposed to species in their realized niche. In barrier island ecosystems, edaphic and environmental characteristics (e.g. elevation and distance to shoreline) are major drivers determining where and how plant communities establish. Physical stressors, such as salt stress and drought influence community grouping and can alter plant function within the environment. With projected increases …
A Population Of Deletion Mutants And An Integrated Mapping And Exome-Seq Pipeline For Gene Discovery In Maize,
2016
University of Nebraska-Lincoln
A Population Of Deletion Mutants And An Integrated Mapping And Exome-Seq Pipeline For Gene Discovery In Maize, Shangang Jia, Aixia Li, Kyla Morton, Penny Avoles-Kianian, Shahryar F. Kianian, Chi Zhang, David Holding
Department of Agronomy and Horticulture: Faculty Publications
To better understand maize endosperm filling and maturation, we used gamma irradiation of the B73 maize reference line to generate mutants with opaque endosperm and reduced kernel fill phenotypes, and created a population of 1788 lines including 47 Mo17 × F2s showing stable, segregating and viable kernel phenotypes. For molecular characterization of the mutants, we developed a novel functional genomics platform that combined Bulked Segregant RNA and Exome sequencing (BSREx-seq) to map causative mutations and identify candidate genes within mapping intervals. To exemplify the utility of the mutants and provide proof-ofconcept for the bioinformatics platform, we present detailed characterization of …
Comprehensive Comparative Genomic And Transcriptomic Analyses Of The Legume Genes Controlling The Nodulation Process,
2016
University of Oklahoma
Comprehensive Comparative Genomic And Transcriptomic Analyses Of The Legume Genes Controlling The Nodulation Process, Zhenzhen Qiao, Lise Pingault, Mehrnoush Nourbakhsh-Rey, Marc Libault
Department of Agronomy and Horticulture: Faculty Publications
Nitrogen is one of the most essential plant nutrients and one of the major factors limiting crop productivity. Having the goal to perform a more sustainable agriculture, there is a need to maximize biological nitrogen fixation, a feature of legumes. To enhance our understanding of the molecular mechanisms controlling the interaction between legumes and rhizobia, the symbiotic partner fixing and assimilating the atmospheric nitrogen for the plant, researchers took advantage of genetic and genomic resources developed across different legume models (e.g., Medicago truncatula, Lotus japonicus, Glycine max, and Phaseolus vulgaris) to identify key regulatory protein coding genes of the nodulation …
Comparison Of An Ultra-Low Volume (Ulv) Sprayer Against
A Conventional Sprayer, For Foliar Fertiliser And Fungicide
Applications In Turfgrass,
2016
University of Nebraska-Lincoln
Comparison Of An Ultra-Low Volume (Ulv) Sprayer Against A Conventional Sprayer, For Foliar Fertiliser And Fungicide Applications In Turfgrass, Jason Connor Ferguson, Roch E. Gaussoin, John A. Eastin, Matthew D. Sousek, Greg R. Kruger
Department of Agronomy and Horticulture: Faculty Publications
Two field studies (I and II) at the University of Nebraska-Lincoln: John Seaton Anderson Turfgrass Research Facility near Mead, NE, USA, were conducted to determine if a new ultra-low volume (ULV) sprayer can apply foliar nutrient, growth regulator, and fungicide treatments, in a manner similar to that of a conventional sprayer. Treatments were applied over creeping bentgrass ‘L-93’ (Agrostis stolonifera L.) managed as a fairway at 561 l · ha−1 and 47 l · ha−1 with the conventional and ULV sprayer, respectfully. Data were collected for chlorophyll content with a chlorophyll meter, and for the normalised difference …
Isoetes Mississippiensis: A New Quillwort From Mississippi, Usa,
2016
Old Dominion University
Isoetes Mississippiensis: A New Quillwort From Mississippi, Usa, Peter W. Schafran, Steven W. Leonard, Rebecca D. Bray, W. Carl Taylor, Lytton John Musselman
Biological Sciences Faculty Publications
Isoetes mississippiensis S.W. Leonard, W.C. Taylor, L.J. Musselman and R.D. Bray (Isoetaceae, Lycopodiophyta) is a new species known from two sites along tributaries of the Pearl River in southern Mississippi. This species is distinguished from other species in the southeastern United States by a combination of character states including a basic diploid (2n=22) chromosome count, laevigate megaspores, and a narrow velum covering less than one-third of the adaxial sporangium wall.
Sfa Gardens Newsletter, Winter 2016,
2016
Stephen F. Austin State University
Sfa Gardens Newsletter, Winter 2016, Sfa Gardens, Stephen F. Austin State University
SFA Gardens Newsletters
No abstract provided.
A Taxonomic Study Of The Genus Hellenocarum H.Wolff (Umbelliferae-Apioideae)Based On Morphology, Fruit Anatomy, And Molecular Data, Ekaterina Andreevna Zakharova, Eugene Vasilyevich Kljuykov, Galina Viktorovna Degtjareva, Tahir Samigullin, Uliana Alekseevna Ukrainskaya, Stephen R. Downie
Turkish Journal of Botany
Phylogenetic relationships among the species of Hellenocarum and its close allies (Umbelliferae-Apioideae) were investigated using nuclear (ITS, ETS) and plastid (psbA-trnH intergenic spacer) DNA sequences. The results obtained were supplemented with an examination of morphology from herbarium and field-collected materials, as well as details of fruit anatomy obtained from light and scanning electron microscopy. According to the molecular data, Hellenocarum is not monophyletic. In most molecular analyses, the genus comprises 2 disparate lineages, with each lineage supported by distinct morphological characters (e.g., structure of underground organs, shape of the umbel, petal color). The first lineage includes Hellenocarum multiflorum (the type …
Dichoropetalum Alanyensis (Apiaceae), A New Species From South Anatolia, Turkey,
2016
TÜBİTAK
Dichoropetalum Alanyensis (Apiaceae), A New Species From South Anatolia, Turkey, Bi̇lgehan Bi̇lgi̇li̇, Mehmet Sağiroğlu, Meryem Şeker, Hayri̇ Duman
Turkish Journal of Botany
Dichoropetalum alanyensis Bilgili, Sağıroğlu and H.Duman, a new species from South Anatolia in Turkey (Antalya-Alanya), is described and illustrated. It is closely related to D. Chryseum (Boiss. And Heldr. Ex Boiss.) Pimenov and Kljuykov, from which it differs mainly by its habit, basal leaves and lobes, and mericarp features. Diagnostic morphological characters are discussed. Notes are also given on its ecology and conservation status, together with scanning electron micrographs of mericarp surface sculpturing pattern. ITS sequences were used for DNA fingerprinting. The data were analyzed with the SEAVIEW package. Standardized data were used to generate a dendrogram that revealed the …
Isolation And Expression Analysis Of Three Different Flowering Genes(Ttlfy, Ttap1, And Ttap2) From An Unusual Legume Species, Thermopsis Turcica, Süleyman Cenkci̇, Mustafa Kargioğlu, Alperen Dedeoğlu, Büşra Kahraman, Yaşar Karakurt
Turkish Journal of Botany
LEAFY (LFY), APETALA1 (AP1), and APETALA2 (AP2) genes encode three different transcription factors that control and regulate flower initiation and development in Arabidopsis. By using 3'- and 5'-RACE analysis, we isolated and sequentially characterized TtLFY (a LEAFY-like gene), TtAP1 (a MADS-box-like gene), and TtAP2 (an AP2/ERBF-like gene) in Thermopsis turcica, an unusual endemic legume species with three free carpellated flower structure. Semiquantitative RT-PCR analysis for 18 different vegetative and reproductive tissues of T. turcica indicated TtLFY transcripts mainly in the shoot tips and young floral buds and TtAP1 transcripts in the sepals and petals; however, TtAP2 transcripts were detected in …
First Molecular Records Of Potentially Harmful Planktonic Dinoflagellatesfrom The Southern Black Sea,
2016
TÜBİTAK
First Molecular Records Of Potentially Harmful Planktonic Dinoflagellatesfrom The Southern Black Sea, Özgür Baytut, Cem Tolga Gürkanli, Eda Deni̇z, İbrahi̇m Özkoç, Ari̇f Gönülol
Turkish Journal of Botany
The aim of this study was to identify dinoflagellate species from the Black Sea (Samsun coast) using conventional and molecular phylogenetic methods. Water samples were collected using a plankton net with 22 µm pores. Dinoflagellate cells were documented under a light microscope and were then isolated for the single-cell PCR procedure. Phylogenetic inference showed that the isolates collected from the study area were affiliated with various harmful taxa: Dinophysis acuta Ehrenberg and Phalacroma rotundatum (Claparéde & Lachmann) Kofoid & Michener from dinophysioids, and Prorocentrum compressum (Bailey) Abé ex Dodge, P. cordatum (Ostenfeld) Dodge, and P. micans Ehrenberg from prorocentroids. In …
Arbuscular Mycorrhizal And Dark Septate Endophyte Fungal Associations In Asparagus,
2016
TÜBİTAK
Arbuscular Mycorrhizal And Dark Septate Endophyte Fungal Associations In Asparagus, Muthukumar Thangavelu, Muthuraja Raji
Turkish Journal of Botany
We studied the arbuscular mycorrhizal (AM) and dark septate endophyte (DSE) fungal associations in five species of pot-grown Asparagus (A. aethiopicus, A. densiflorus, A. setaceus, A. racemosus, and A. umbellatus). Root colonization by AM and DSE fungi and AM spore numbers in the soil were assessed. AM fungal diversity indices like species richness, Shannon-Weiner index, Simpson's index, evenness, and Jaccard's index were determined. Relationships among the fungal and soil variables were also examined. All the species of Asparagus examined were colonized by both AM and DSE fungi, and these associations have been reported for the first time in four species. …
Age-Old Palms On Florida’S Ancient Ridges,
2016
Bucknell University
Age-Old Palms On Florida’S Ancient Ridges, Warren G. Abrahamson Ii
Faculty Journal Articles
Genetic fingerprinting, ramet growth rate determinations, and mathematical modeling (Minimum branching trees) were used to estimate clone ages of saw palmettos at Archbold Biological Station in Florida. Growth rates indicate that 500 year old saw palmetto ramets are common. Genetically identified clones (genets) are estimated to be thousands of years old, likely exceeding 5,000 years of age.
Study Of Phylogenetic Relationship Of Turkish Species Ofmatthiola (Brassicaceae) Based On Issr Amplification,
2016
TÜBİTAK
Study Of Phylogenetic Relationship Of Turkish Species Ofmatthiola (Brassicaceae) Based On Issr Amplification, Beki̇r Doğan, Mustafa Çeli̇k, Murat Ünal, Abdurrahman Sefali, Esra Marti̇n, Ayla Kaya
Turkish Journal of Botany
Matthiola W.T.Aiton is a taxonomically complex genus in which there are many problems, mostly with Matthiola longipetala and M. Odoratissima. Matthiola species native to Turkey were collected from various locations in Anatolia, and their DNA was isolated. Revision studies performed on the basis of molecular data obtained from studies conducted in recent years have made the phylogenetic relationships and systematic positions of the taxa more apparent and reliable. Consequently, the remaining taxonomic problems among the species have been resolved through the use of DNA-based molecular analysis methods, which, unlike phenotype studies, are not affected by environmental factors. The inter-simple sequence …
The Examinations Of Achene Ultrastructural Features Of Section Acrolophus(Centaurea, Asteraceae) Via Scanning Electron Microscopy, Feyza Candan, Tuna Uysal, Osman Tugay, Meryem Bozkurt, Kuddi̇si̇ Ertuğrul, Hakki Demi̇relma
Turkish Journal of Botany
In this study, the achene surfaces of 31 taxa belonging to the genus Centaurea L. Were examined in detail by means of electron microscopy. The main aim of this study was to characterize the microsculpture of the achene surface of the Turkish species of Centaurea sect. Acrolophus (Cass.) DC. (Asteraceae). Detailed descriptions of the achene surface were given for each taxon and a fruitful dendrogram was established by numerical analyses derived from the determined micromorphological features. The relationships among the taxa studied were briefly assessed using this generated dendrogram. The results indicated that the examined taxa had very high variations …
Astragalus Topalanense (Fabaceae), A New Species From Turkey,
2016
TÜBİTAK
Astragalus Topalanense (Fabaceae), A New Species From Turkey, Ahmet İlçi̇m, Lütfi̇ Behçet
Turkish Journal of Botany
Astragalus topalanense Behçet and İlçim sp. Nov. (section Malacothrix Bunge) is described as a new species from Bingöl Province, East Anatolia in Turkey. The new species is similar to Astragalus macrouroides Hub.-Mor., a species endemic to Turkey, and A. Macrourus Fisch. And C.A.Mey. The diagnostic characters and taxonomic comments on the species are presented. Seed and pollen characteristics are investigated using light and scanning electron microscopy. Notes are also presented on its ecology. A distribution map of the new and related species is also provided.
Leaflet Trichome Micromorphology In The Dolentes-Brevipedes Taxonomic Complex (Mimosa L., Mimosoideae),
2016
TÜBİTAK
Leaflet Trichome Micromorphology In The Dolentes-Brevipedes Taxonomic Complex (Mimosa L., Mimosoideae), Mariana Grohar, Sonia Rosenfeldt, Matias Morales
Turkish Journal of Botany
We studied leaflets of 18 taxa of the genus Mimosa, specifically the Dolentes-Brevipedes taxonomic complex, focusing on micromorphology, type, shape, and density of trichomes. Within the nonglandular trichomes we described 3 types of nonbranched and 2 types of branched trichomes. We also described 2 types of stalked glandular trichomes, extending the recent classifications of trichomes in Mimosa. Multiseriate trichomes with lateral projections, which resemble incipient branching, are described here for many taxa. Most studied taxa have pubescent leaflets and show great variability in trichome density values. We also found 3 different types of blade margins with variation in type, alignment, …
