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Mapping and characterization of mel-43(sb41), a gene required for early embryonic viability in C. elegans
DownloadSpring 2010
A genetic screen for dominant, temperature-sensitive, maternal-effect embryonic lethal mutations identified mel-43(sb41), a gene required for early embryonic viability (Mitenko et al., 1997). Linkage mapping placed mel-43 within a small region on chromosome IV. Genetic analyses suggested that...
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Drosophila ATM and ATR have distinct activities in the regulation of meiotic DNA damage and repair
Download2011
Tiong, S., McKim, K.S., Campbell, S.D., White-Brown, S.K., Paul, A., Pedersen, M., Joyce, E.F.
Ataxia telangiectasia–mutated (ATM) and ataxia telangiectasia–related (ATR) kinases are conserved regulators of cellular responses to double strand breaks (DSBs). During meiosis, however, the functions of these kinases in DSB repair and the deoxyribonucleic acid (DNA) damage checkpoint are...
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CycA is involved in the control of endoreplication dynamics in the Drosophila bristle lineage
Download2012
Campbell, S.D., Sallé, J., Gho, M., Audibert, A.
Endocycles, which are characterised by repeated rounds of DNA replication without intervening mitosis, are involved in developmental processes associated with an increase in metabolic cell activity and are part of terminal differentiation. Endocycles are currently viewed as a restriction of the...
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Spring 2013
In the newly fertilized embryo, meiotic and mitotic spindles form consecutively within the same egg cytoplasm. The order of events during this transition is controlled, in part, via the regulation of the microtubule cytoskeleton. Herein, I show that mel-43 is part of a small paralogous gene...
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Spring 2016
Meiosis in eukaryotes includes a developmentally programmed pre-meiotic G2 phase arrest before the onset of MI division mediated by inhibitory phosphorylation of Cdk1. There are two inhibitory kinases, Wee1 and Myt1. Myt1 mediated Cyclin B-Cdk1 regulation serves as a conserved mechanism for...
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Spring 2019
Myt1 kinase performs several functions during Drosophila development. Myt1 has firstly been described as a regulator of the G2/M DNA damage checkpoint in the developing wing disc. In addition, Myt1 has been shown to regulate several aspects of male and female gametogenesis, while also...
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Spring 2020
To ensure faithful cell division, entry into mitosis must be inhibited in cells with damage or under-replicated DNA. Wee1 and Myt1 are two partially redundant kinases that inhibit mitotic entry through the phosphorylation of the Cdk1/cyclin B complex. Cdk1 is an essential mitotic kinase that...