搜索结果: 1-15 共查到“生物学 Populations”相关记录118条 . 查询时间(0.165 秒)
Like matryoshka dolls: One insect species introduced decades ago to a small island had an effect on several insect populations
insect bacterial symbiont genetic ecological system
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2021/8/5
Researchers thought 30 years ago that they just introduced some Glanville fritillary butterfly larvae on a small island in the Åland islands, Finland. Little did they know that within the butterf...
Asian butterfly populations show different mimicry patterns,thanks to genetic 'switch'（图）
Asian butterfly populations different mimicry patterns genetic 'switch'
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2021/1/28
A new study by researchers at the University of Chicago and the City College of New York has identified a unique, genetic "mimicry switch" that determines whether male and female Elymni...
Where'd you get those genes? Individual growth can vary wildly when populations interbreed（图）
genes Individual growth vary wildly populations interbreed
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2020/3/20
Scientists at Scripps Institution of Oceanography at the University of California San Diego have discovered why some hybrids between populations of the same species don't develop as well as others. Th...
Weather radar records drastic drop in mayfly populations（图）
Weather radar drastic drop mayfly populations
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2020/2/20
At the beginning of each summer, mayfly larvae emerge from bodies of water and shed their skin to become full-fledged mayflies, similar to the way in which caterpillars become butterflies.
Collapse of desert bird populations likely due to heat stress from climate change（图）
Collapse bird populations due heat stress climate change
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2019/10/17
As temperatures rise, desert birds need more water to cool off. At the same time, deserts are becoming drier, setting some species up for a severe crash, if not extinction, according to a new study pu...
中国地质大学科学技术发展院赖旭龙教授团队 生物地质与环境地质国家重点实验室 Current Biology（2019）,Paleogenome reveals genetic contribution of extinct giant panda to extant populations
首例；古代；大熊猫；全基因组；研究成果。
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2021/10/20
2019年5月9日，国际知名学术刊物《当代生物学》（IF=9.251）在线刊发了中国地质大学生物地质与环境地质国家重点实验室赖旭龙教授团队，与德国波兹坦大学、云南省文物考古研究所等研究人员合作，成功测定了首例古代大熊猫全基因组的相关研究成果。
Circulating concentrations of biomarkers and metabolites related to vitamin status, one-carbon and the kynurenine pathways in US, Nordic, Asian, and Australian populations
biomarker Lung Cancer Cohort Consortium one-carbon metabolism tryptophan metabolism vitamin status
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2018/11/14
Background: Circulating concentrations of biomarkers that are related to vitamin status vary by factors such as diet, fortification, and supplement use. Published biomarker concentrations have also be...
Coral genomes reveal how populations rebound after environmental catastrophes
Coral genomes populations rebound environmental catastrophes
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2016/11/29
New genome-sequence data show that Caribbean corals that have survived mass-extinction events caused by environmental change can rebound and expand their populations. An international team of research...
Study:Predators can drive increase in virus populations
Predators drive increase virus populations
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2016/11/29
Publishing in the journal Proceedings of the National Academy of Sciences, the study’s authors have reported the first evidence that a predator’s consumption of prey can catalyze the natural rise and ...
Interaction of an S100A9 gene variant with saturated fat and carbohydrates to modulate insulin resistance in 3 populations of different ancestries
gene-diet interaction insulin resistance SFA:carbohydrate ratio S100A9 gene type 2 diabetes
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2018/12/13
Background: S100 calcium-binding protein A9 (S100A9) has previously been identified as a type 2 diabetes (T2D) gene. However, this finding requires independent validation and more in-depth analyses in...
Genetic Diversity Analysis of South and East Asian Duck Populations Using Highly Polymorphic Microsatellite Markers
Discrimination Duck Genetic Diversity Microsatellite Marker
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2016/5/19
Native duck populations have lower productivity, and have not been developed as much as commercials duck breeds. However, native ducks have more importance in terms of genetic diversity and potentiall...
Genetic Diversity and Phylogenetic Analysis of South-East Asian Duck Populations Based on the mtDNA D-loop Sequences
Duck Populations D-loop Region Haplotype Mitochondrial DNA Phylogeny
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2016/12/28
The maternally inherited mitochondrial DNA (mtDNA) D–loop region is widely used for exploring genetic relationships and for investigating the origin of various animal species. Currently, domestic duck...
GENETIC ASSESSMENT OF CONNECTIVITY AMONG MARINE POPULATIONS
MARINE POPULATIONS GENETIC ASSESSMENT
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2015/12/17
Geographical surveys of genetic variation provide an indirect means of tracing movments made between marine populations by larvae and other propagules. Genetic markers can provide strong evidence that...
Population structure of the black tiger prawn, Penaeus monodon, among western Indian Ocean and western Paci®c populations
tiger prawn Penaeus monodon
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2015/12/17
We examined the population structure of the
black tiger prawn, Penaeus monodon Fabricius, 1798, in
the Indo-West Paci®c by analyzing the geographic distribution of elongation factor 1-alpha int...
Open and closed seascapes: Where does habitat patchiness create populations with high fractions of self-recruitment?
coral reef seascapes dispersal
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2015/12/11
Which populations are replenished primarily by immigrants (open) and which
by local production (closed) remains an important question for management with implications
for response to exploitation, p...