搜索结果: 1-15 共查到“植物学 genetic”相关记录23条 . 查询时间(0.493 秒)
How do sunflowers manage to grow in the desert? Wild sunflowers display extensive variation, both between and within species. Scientists now report that variation is preserved by blocks of "supergenes...
Scientists develop genetic path to tastier tomatoes
Scientists genetic path tastier tomatoes
2017/2/16
Some consumers crave tastier tomatoes than those available at the supermarket. Now, scientists at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) and their partners hav...
Impact of interspecific hybridization of T. pratense × T.medium and backcrossing on genetic variability of progeny
cytology FISH hybrids rDNA red clover zigzag clover
2016/12/8
Red clover (Trifolium pratense L.) is a high-quality fodder crop which has been hybridized successfully with its wild relative zigzag clover (T. medium L.). The aim of this study was to evaluate the g...
Genetic Variability in Hydrastis Canadensis L. Using RAPD Analysis
genetic variation medicinal plant species goldenseal RAPDs AMOVA UPGMA
2014/11/17
ABSTRACT GENETIC VARIABILITY IN HYDRASTIS CANADENSIS L. USING RAPD ANALYSIS FEBRUARY 2009 KERRY J. KELLEY, B.A. MOUNT HOLYOKE COLLEGE M.A. UNIVERSITY OF MASSACHUSETTS AMHERST Directed by: Professor Ly...
Differentiating genetic and environmental drivers of plant–pathogen community interactions
disease foundation species
2015/11/13
Plant genotypic variation can shape associated arthropod and microbial communities locally, as
has been demonstrated in controlled common garden experiments. However, the relative roles of
plant gen...
Genetic study tackles mystery of slow plant domestications
Genetic study tackles mystery slow plant domestications
2014/5/13
“The Modern View of Domestication,” a special feature of The Proceedings of the National Academy of Sciences (PNAS) published April 29, raises a number of startling questions about a transition in our...
Comparing the efficiency of sampling strategies to establish a representative in the phenotypic-based genetic diversity core collection of orchardgrass (Dactylis glomerata L.)
core collection genetic diversity germplasm collection orchardgrass phenotypic variation representativeness sampling strategies
2014/2/24
Establishing a core collection that represents the genetic diversity of the entire collection with a minimum loss of its original diversity and minimal redundancies is an important problem for gene ba...
Genetic Relationships between Cultivated and Wild Olive Trees (Olea Europaea L. Var. Europaea and Var. Sylvestris) Based on Nuclear and Chloroplast SSR Markers
Cultivars Oleaster Genetic Relationship SSR Markers Haplotype Origin
2013/3/11
The olive is widely cropped in Tunisia where also oleaster trees thrive all around orchards and in natural sites. Little is known on the genetic relationships between the olive crop and oleaster trees...
Genetic diversity in portuguese native Vitis vinifera L. ssp. vinifera and ssp. sylvestris
domestication centre genetic structure Portuguese vinifera and sylvestris subspecies vine
2014/3/10
To assess the different origins of Portuguese grapevine varieties, we used six nuclear and four chloroplastidal microsatellites as molecular markers, in order to compare the genetic structure of nativ...
Genetic diversity of selected medicinal plants in protected landscape areas in the Czech Republic
active substances content medicinal plants protected landscape area
2014/3/10
Agrimonia eupatoria, Betonica officinalis, Hypericum perforatum, Plantago media, Salvia pratensis and S. verticillata were selected as subjects for a research project studying the genetic diversity of...
Results of projects on collecting, mapping, monitoring, and conserving of plant genetic resources 1990–2008
collecting conservation crop wild relatives landraces mapping monitoring plant genetic resources
2014/3/10
Old landraces and obsolete cultivars represent a national heritage that must be conserved for future generations. Similarly, crop wild relatives (CWR) are a valuable gene pool for plant breeding or fo...
Biosynthesis and Genetic Engineering of Polyketides
Polyketides Polyketide Synthase Biosynthesis Engineered Biosynthesis
2009/6/1
Polyketides are one of the largest groups of natural products produced by bacteria , fungi , and plants . Many of these metabolites have highly complex chemical structures and very important biologica...
ISU researcher identifies genetic pathway responsible for much of plant growth
ISU researcher genetic pathway plant growth
2009/5/21
Researchers at Iowa State University have discovered a previously unknown pathway in plant cells that regulates plant growth.
Yanhai Yin, an assistant professor in genetics, development and cell biol...
Genetic Differentiation of Abies equi-trojani (Asch. & Sint. ex Boiss) Mattf. Populations from Kazdağı, Turkey and the Genetic Relationship between Turkish Firs belonging to the Abies nordmanniana Spach Complex
Abies equi-trojani A. nordmanniana, A. bornmuelleriana Genetic similarity Genetic distance RAPD Markers cp-SSR
2010/3/17
The present study aimed to test the utility of RAPD (randomly amplified polymorphic DNA) and cpSSR (simple sequence repeats) markers for in situ gene conservation programs for fir species, as well as ...
甲型肝炎病毒衣壳蛋白融合基因植物表达载体的构建与遗传转化柑桔的研究Construction of the Plant Expression Vector with Hepatitis a Capsid Protein Fusion Gene and Genetic Transformation of Citrus.Sinensis Osbeck
甲型肝炎病毒衣壳蛋白融合基因 柑桔 植物表达载体 遗传转化 食用疫苗
2008/1/20
摘要
基因工程领域的研究进展使得植物体成为具有重要经济价值的药用蛋白的生产体系。以含甲型肝炎病毒结构基因cDNA的克隆载体pCDNAⅡA16为模板，用甲型肝炎病毒衣壳蛋白融合基因特异引物进行PCR扩增，得到全长2.2kb衣壳蛋白融合基因序列。经测序鉴定后正向克隆于植物表达载体pBI121中，衣壳蛋白融合基因位于pBI121质粒T-DNA左右边界区间内，处于CaMV35S启动子控制之下。经限制性内...