نتایج جستجو برای: thermal lethality
تعداد نتایج: 227965 فیلتر نتایج به سال:
Two genes encoding protein components of the nuclear pore complex Nup160 and Nup96 cause lethality in F2-like hybrid genotypes between Drosophila simulans and Drosophila melanogaster. In particular, D. simulans Nup160 and Nup96 each cause inviability when hemizygous or homozygous in species hybrids that are also hemizygous (or homozygous) for the D. melanogaster X chromosome. The hybrid lethali...
BACKGROUND Many species of Nicotiana section Suaveolentes produce inviable F(1) hybrids after crossing with Nicotiana tabacum (genome constitution SSTT), a phenomenon that is often called hybrid lethality. Through crosses with monosomic lines of N. tabacum lacking a Q chromosome, we previously determined that hybrid lethality is caused by interaction between gene(s) on the Q chromosome belongin...
SOCS1 is an SH2-containing protein that is primarily expressed in thymocytes in a cytokine- and T cell receptor-independent manner. SOCS1 deletion causes perinatal lethality with death by 2-3 weeks. During this period thymic changes include a loss of cellularity and a switch from predominantly CD4+ CD8+ to single positive cells. Peripheral T cells express activation antigens and proliferate to ...
Male and female Drosophila melanogaster with special sex chromosome or special autosome constitutions were fed with the mutagenic chemicals Trenimon (2,3,5-trisethyleneimino-1,4-benzoquinone) and PDMT (1-phenyl-3, 3-dimethyltriazene) and with the toxic substance Na2PO3F (sodium monofluorophosphate). The frequency of dominant lethality was recorded among the progeny. The results clearly show tha...
The B-type cyclin Clb5 is involved primarily in control of DNA replication in Saccharomyces cerevisiae. We conducted a synthetic genetic array (SGA) analysis, testing for synthetic lethality between the clb5 deletion and a selected 87 deletions related to diverse aspects of cell cycle control based on GO annotations. Deletion of the spindle checkpoint genes BUB1 and BUB3 caused synthetic lethal...
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