Document Type: Article All Authors / Contributors: Yang J.; Yang J.; Yang M.; Qing H. ISSN:0378-2697 Language Note: English Unique Identifier: 783229489 Awards:
| Title | : | Genetic diversity of Caragana species of the Ordos Plateau in China |
| Author | : | Yang J.; Yang J.; Yang M.; Qing H. |
| Language | : | en |
| Rating | : | 4.90 out of 5 stars |
| Type | : | PDF, ePub, Kindle |
| Uploaded | : | Apr 12, 2021 |
Full Download Genetic diversity of Caragana species of the Ordos Plateau in China - Yang J.; Yang J.; Yang M.; Qing H. | PDF
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May 13, 2013 the pioneering caragana species will help rebuild poor soils. Russian pea there are a variety of sizes in the caragana genus.
Every species has a different genome size and every individual within that species has different variations of that genome. For every single human individual, there are supposedly around 3 million nucleotide sites in which people differ with one another.
Conservation geneticists consider genetic diversity as an important way to assess if a species is threatened by extinction. The view is that as long as individuals are genetically different from each other (having high genetic diversity), there will always be individuals with the right genetic makeup to survive under adverse conditions.
A total of 287 terrestrial vertebrate species (103 mammals, 59 birds, 31 reptiles, and 94 amphibians) were assessed for population-level genetic diversity with at least one molecular marker,.
Caraganais a genus comprises about 100 species in the family fabraceae, and distributes in asia and eastern europe. Most of the caraganaspecies are shrubs or small trees and with the character of high tolerance to several abiotic stresses including drought, salt, and cold.
Observation on the pollen morphology of 5 species of caragana character of plant all characters of microspore accord with the genetic stability and diversity.
It works by adding genetic diversity to these kinds of precariously numbered populations the florida panther is a hallmark of how genetic rescue can help pull species from the brink of extinction.
Genetic diversity within species is vastly important, as it provides for the rate at which evolution occurs. (mclaughlin, 2001) the slowing down of evolution could potentially kill off a species if they cannot readily adapt to an ever-changing environment, especially one changing at the hand of mankind.
The genetic diversity–area relationship (gar), compared with the extensively explored species-area relationship (sar), remains poorly recognized despite the importance of understanding it for the development and application of biodiversity theory.
Caragana brachypoda showed the lowest genetic similarity with and largest genetic distance from other taxa of the genus.
Abstract: marginal populations are those at the geographical edge of a species’ distribution. Appropriate evaluation of genetic diversity in marginal populations is of crucial significance for understanding the impacts of climate changes on species expansion or contraction in the post quaternary glaciations, conservation of genetic resources and exploitation, and peripatric speciation.
Nov 13, 2017 genetic variation in a leguminous shrub (caragana microphylla) important for one such species is caragana microphylla, a perennial.
For a leguminous species, siberian peashrub does not have a breeding and genetics of caragana.
The most important are (1) genetic diversity, (2) species diversity and (3) ecological diversity. Genetic diversity: genetic diversity is the amount of variation in the genetic material within all members of a population (total number of genetic characteristics in the genetic makeup).
Genetic diversity and relationships among 15 species of iris based on amplified fragment length polymorphism markers.
Jul 1, 2014 autumn elaeagnus; caragana arborescens - siberian pea tree another significant reward is that you are promoting genetic diversity within.
Developing universal genetic tools for rapid and efficient deletion mutation in vibrio species based on suicide t-vectors carrying a novel counterselectable marker, vmi480.
Scientists at the university of adelaide have challenged the common assumption that genetic diversity of a species is a key indicator of extinction risk.
Analysis of the genetic diversity of natural populations of threatened and endangered species of plants is a main aspect of conservation strategy. The endangered species allium altaicum is a relict plant of the ice age and natural populations are located in extreme climatic conditions of kazakstan’s altai mountains.
2007年5月8日 currently there is still a debate about the taxonomic and genetic relationship among these 3 species.
Genetic diversity of rhizobia isolated from caragana intermedia in maowusu sandland, north of china. Author information: (1)key laboratory of photosynthesis and environmental molecular physiology, institute of botany, chinese academy of sciences, beijing, china.
Among caragana species is also closely associated with gradients of changing patterns of precipitation, suggesting that differential precipitation plays a major role in driving the genetic differentiation and adaptive radiation of the caragana genus in the region of the ordos plateau.
Species diversity and population density affect genetic structure and gene dispersal in a subtropical understory shrub.
“conservation geneticists consider genetic diversity as an important way to assess if a species is threatened by extinction. The view is that as long as individuals are genetically different from each other (having high genetic diversity), there will always be individuals with the right genetic makeup to survive under adverse conditions.
There is controversy concerning the role of genetic factors in species extinctions. Many authors have asserted that species are usually driven to extinction before genetic factors have time to impact them, but few studies have seriously addressed this issue. If this assertion is true, there will be little difference in genetic diversity between threatened and taxonomically related.
Rhizobia are soil bacteria with the capacity to induce nitrogen-fixing nodules on the roots or stems of legume plants. A total of 40 bacterial isolates from the root nodules of caragana microphylla growing in desert soil in ningxia, china, were analyzed for genetic diversity and phylogenetic position. These isolates were classified into 7 types of 16s ribosomal dna (rdna) using polymerase.
Mostly inbreeding species have homozygosity and lesser genetic diversity within populations and higher genetic diversity of caragana species of the ordos.
Most of the long-term historical processes explaining the genetic diversity of patagonian species have been linked to refugial areas and postglacial colonization routes [28,29]. Platei, the genetic diversity of which has been shown to have been influenced by these processes [28–33].
Containing about 80 species, caragana is a large genus in the subfamily papilionoideae, family leguminosae. Caragana species are deciduous shrubs or small trees mainly growing in the arid and semi-arid regions of asia and eastern europe.
Some species are morphologically extremely similar to some species of astragalus, sharing the cushion-forming habit with persistent spinescent leaf rachises.
Genetic diversity of caragana species of the ordos plateau in china. Plant syst evol, 298(4):801-809, 01 apr 2012 cited by: 0 articles.
Grapevine trunk diseases have become one of the main threats to grape production worldwide, with diaporthe species as an emerging group of pathogens in china. At present, relatively little is known about the taxonomy and genetic diversity of chinese diaporthe populations, including their relationships to other populations worldwide.
Genetic diversity and biogeography of rhizobia associated with caragana species in three ecological regions of china yang li lu, wen feng chen, en tao wang, su hua guan, xue rui yan, wen xin chen research output contribution to journal › article › peer-review.
(2008) genetic diversity analysis by ssr marker of fourteen species of caragana fabr.
The genetic diversity found using retrotransposon profiles was strongly correlated with geographic data. Overall, the ipbs fingerprinting technique is highly informative and useful for the evaluation of genetic diversity and relationships of alternaria species.
The high diversity of acinetobacter species harboring tet(x) variants across china further suggested that the wide distribution of tet(x) is mediated by horizontal genetic transfer rather than a single predominant bacterial species or clone, which was also supported by the finding of low sequence identities between different tet(x)-harboring.
Evolutionary diversity at the genetic, specific, and lineage level contribute to a very fasciculatum) to mixed chaparral often with up to a dozen shrub species.
Genetic diversity and phylogeny of rhizobia isolated from caragana microphylla growing in desert soil in ningxia, china. Author information: (1)key laboratory of the ministry of education for the conservation and utilization of special biological resources of western china, ningxia, china.
Understanding patterns of ibd and ibe is particularly important for species of conservation concern or that are involved in ecosystem management, because the outcomes of conservation strategies may depend upon properly managing genetic diversity. One such species is caragana microphylla, a perennial sandy grassland and desert deciduous shrub.
Learn vocabulary, terms, and more with flashcards, games, and other study tools.
(b) species diversity: this refers to the variety of species within a particular region. The number of species in a region is a measure for such diversity. The richness of species in a given region provides a yard stick for species diversity. Species diversity depends as much on the genetic diversity as on the environmental condition.
Diversity will help hold wildlife species on or near the this is related to plant species diversity and includes variety in the growth species creates abundant habitat features for a wide variety of wildlife.
May 18, 2007 caragana is a rapid-growing shrub or small tree that this species can invade savannas, the edge of woodland environments, disturbed.
A purdue university study presents a novel approach for identifying vertebrate populations at risk of extinction by estimating the rate of genetic diversity loss, a measurement that could help researchers and conservationists better identify and rank species that are threatened or endangered.
Genetic variation, molecular marker, native shrubs, native trees, provenance genetic variation within forest tree species is a fundamental component of forest.
Lack of genetic diversity has been a big problem for cheetahs to exist a long time; they, in fact, are genetically bottlenecked. The presence of a high genetic diversity means it is a versatile population. What is species diversity? species diversity is the variation and variability of species in a particular area or volume at a particular time.
(1997) study on species diversity of medicinal plants, genus caragana fabr the coding rbcl gene complements the non-coding psba-trnh spacer region.
Genetic diversity also seems to be predictable from the life history of a species. The degree of genetic diversity differs greatly among species and across genomic loci within genomes.
Caragana microphylla does exhibit high levels of genetic diversity, and this characteristic may have contributed to it being a dominant species in northern china. 2 correlation between genetic variation and environmental gradients.
Genetic diversity is the key pillar of biodiversity and diversity within species, between species, and of ecosystems (cbd, article 2), which was defined at the rio de janeiro earth summit. However, the problem is that modern crop varieties, especially, have been developed primarily for high yielding potential under well endowed production.
Most significant threats to the maintenance of native biodiversity in most taxa, including angiosperms. Siberian phylogenetic relationships among caragana species, also the plastid matk gene resolves many well-supported sub-.
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