نتایج جستجو برای: cryptic

تعداد نتایج: 9824  

Journal: :Human heredity 2010
Feng Zhang Hong-Wen Deng

Cryptic relatedness was suggested to be an important source of confounding in population-based association studies (PBAS). The magnitude and manner of cryptic relatedness affecting the performance of PBAS of continuous traits remain to be investigated. We simulated a set of related samples through biased sampling and inbreeding, and evaluated the power and type I error rates of simple associati...

2012
Kun-Nan Tsai Daryi Wang

The activation of cryptic 5' splice sites (5' SSs) is often related to human hereditary diseases. The DNA-based mutation screening strategies are commonly used to recognize the cryptic 5' SSs, because features of the local DNA sequence can influence the choice of cryptic 5' SSs. To improve the identification of the cryptic 5' SSs, we developed a structure-based method, named SPO (structure prof...

2017
Min Jiu Jian Hu Lun-Ji Wang Jun-Feng Dong Yue-Qin Song Hui-Zhong Sun

Bemisia tabaci (Gennadius) (Hemiptera: Aleyrodidae) is a cryptic species complex, causing significant crop losses in China during the last decade. Although knowledge of cryptic species composition and dynamics within B. tabaci complex is critical for developing sustainable pest management strategies, limited information is available on this pest in the Henan province of China. A systematic surv...

2014
Jian Hu Zhi-Lin Jiang Francesco Nardi Yuan-Yuan Liu Xiao-Rong Luo Hong-Xiang Li Zhong-Kai Zhang

Bemisia tabaci (Gennadius) (Hemiptera: Aleyrodidae) is a cryptic species complex that includes some of the most significant pests of agriculture and horticulture worldwide. To understand the diversity and distribution of B. tabaci cryptic species in Yunnan, a famous biodiversity hotspot in China, a large-scale sampling was conducted from year 2010 to 2013 in 10 prefectures. Mitochondrial cytoch...

2016
Matthew B. Taylor Joann Phan Jonathan T. Lee Madelyn McCadden Ian M. Ehrenreich

Cryptic genetic variants that do not typically influence traits can interact epistatically with each other and mutations to cause unexpected phenotypes. To improve understanding of the genetic architectures and molecular mechanisms that underlie these interactions, we comprehensively dissected the genetic bases of 17 independent instances of the same cryptic colony phenotype in a yeast cross. I...

Journal: :Journal of immunology 2016
Sharanya Prasad Shelley R Starck Nilabh Shastri

Cytolytic T cells eliminate infected or cancer cells by recognizing peptides presented by MHC class I molecules on the cell surface. The antigenic peptides are derived primarily from newly synthesized proteins including those produced by cryptic translation mechanisms. Previous studies have shown that cryptic translation can be initiated by distinct mechanisms at non-AUG codons in addition to c...

Journal: :Res Medica 2014

Journal: :The Journal of parasitology 2010
Gerardo Pérez-Ponce de León Steven A Nadler

We conducted an extensive literature review on studies that have used DNA sequences to detect cryptic species of parasites during the last decade. Each literature citation that included the term "cryptic" or "sibling" species was analyzed to determine the approach used by the author(s). Reports were carefully filtered to retain only those that recognized the existence of cryptic species centere...

Journal: :Nature Reviews Genetics 2003

Journal: :Genetics 2013
Etienne Rajon Joanna Masel

Cryptic genetic sequences have attenuated effects on phenotypes. In the classic view, relaxed selection allows cryptic genetic diversity to build up across individuals in a population, providing alleles that may later contribute to adaptation when co-opted--e.g., following a mutation increasing expression from a low, attenuated baseline. This view is described, for example, by the metaphor of t...

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