搜索结果: 1-15 共查到“生物学 fish”相关记录88条 . 查询时间(0.14 秒)
If we could rewind the tape of species evolution around the world and play it forward over hundreds of millions of years to the present day, we would see biodiversity clustering around regions of tect...
中国科学院化学研究所专利：一类用于DNA原位杂交荧光检测（FISH）技术的生物试剂及其制备和应用
2023年3月17日，中国科学院深圳先进技术研究院合成微生物组学研究中心、深圳合成生物学创新研究院戴磊课题组在Nature Communications上发表了基于成像的空间微生物组最新研究成果，题为"Spatial profiling of microbial communities by sequential FISH with error-robust encoding"。该团队发展了一种可...
Study suggests at least 11 fish species are able to walk on land（图）
fish species walk land
2020/9/25
A team of U.S. National Science Foundation-funded scientists has identified at least 11 species of fish suspected to have land-walking abilities.The findings are based on CT scans and a new evolu...
Biologists find 10 lineages of fish able to live in highly toxic streams（图）
Biologists 10 lineages fish able live highly toxic streams
2020/7/10
Using the same mechanism, several species of fish have adapted to harsh environments, calling into question the idea of evolutionary chance, according to a National Science Foundation-funded stud...
对杂交三倍体泥鳅（4n♀×2n♂）的胚胎染色体进行了C带及染色体荧光原位杂交（FISH）分析，首次探讨了杂交三倍体泥鳅C带特征，为准确鉴别染色体提供依据，研究了核糖体5.8S+28S rDNA在杂交三倍体泥鳅胚胎中期染色体上的数目和位置。C带结果表明，杂交三倍体泥鳅的染色体C带包括臂端C带和着丝粒C带，没有发现臂间C带。M染色体只有1号染色体既有臂端C带又有着丝粒C带，但臂端C带均比着丝粒C带大，...
Penn-Led Team Uncovers The Physiology Behind The Hour-Long Mating Call Of Midshipman Fish（图）
Penn-Led Team Physiology The Hour-Long Mating Call Midshipman Fish
2018/2/1
According to the Guinness World Records, the longest any person has held a continuous vocal note is just shy of two minutes. That’s quite an achievement.
Compared to the Pacific midshipman fish, howe...
Baby Fish Exercising,a Surprising Source of Adaptive Variation in Fish Jaws（图）
Baby Fish Exercising Adaptive Variation Fish Jaws
2017/9/1
An unspoken frustration for evolutionary biologists over the past 100 years, says Craig Albertson at the University of Massachusetts Amherst, is that genetics can only account for a small percentage o...
Scientists name new species of fish from the Orinoco region after singer Enya
Scientists name fish the Orinoco region singer Enya
2017/7/24
In 1988, Irish singer and songwriter Enya released a lead single titled “Orinoco Flow” from her second studio album, which went on to become an international hit, earn a Grammy Award nomination, and h...
In Sex-Changing Fish,Male-Typical Sexual Behavior Associated With Elevated Expression Of Male Sex Hormone Receptors In Muscles
Sex-Changing Fish Male-Typical Sexual Behavior Male Sex Hormone Receptors Muscles
2017/7/21
Sex-changing fish exhibit differences in androgen receptor (AR) expression in muscles that are highly sensitive to androgens (male sex hormones) and essential for male courtship behavior, according to...
As fins evolve to help fish swim,so does the nervous system
fins evolve fish swim nervous system
2017/4/27
The sensory system in fish fins evolves in parallel to fin shape and mechanics, and is specifically tuned to work with the fish’s swimming behavior, according to new research from the University of Ch...
Fish Study Shows Important Genome Interactions in Animal Cells
Fish Study Genome Interactions Animal Cells
2017/4/27
In a new study, researchers at the University of Miami (UM) Rosenstiel School of Marine and Atmospheric Science examined how the interaction of two genomes in animal cells—the mitochondrial and nuclea...
Infectious disease transmission in fish,mammals,other animals has implications for humans
Infectious disease transmission fish mammals other animals implications for humans
2017/4/27
Scientists once thought that being part of a community would protect animal populations from infectious disease outbreaks, but now they've learned otherwise, according to a study published this week i...
Case Western Reserve University researcher discovers fish uses sneaking behavior as stealth mating strategy
Case Western Reserve University researcher fish uses sneaking behavior stealth mating strategy
2017/3/13
While a dominant male fish from northern Mexico mates with a female, a small fella bides his time in the offing. Suddenly, the little guy darts in ahead of Mr. Big and plants his seeds on freshly laid...
A metabolomic study of biomarkers of meat and fish intake
chicken red meat processed meat fish metabolomics
2018/11/13
Background: Meat and fish intakes have been associated with various chronic diseases. The use of specific biomarkers may help to assess meat and fish intake and improve subject classification accordin...