Results 21 to 30 of about 4,260,217 (298)
Evolution of the mating type gene pair and multiple sexes in Tetrahymena
iScience, 2021 Summary: The multiple mating type system of the Ciliate Tetrahymena thermophila is a self/non-self recognition system, whose specificity resides in a head-to-head, functionally distinct pair of genes, MTA and MTB. We have now sequenced and analyzed these
Guanxiong Yan +7 more
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Reversible Tetraploidy as an Evolutionary Mechanism [PDF]
Evolution, 1971 Polyploidization is reversible. Randolph and Fischer (1939) obtained diploid offspring from autotetraploid maize. Several fertile haploids have also been obtained from successful tetraploid and octaploid species (Kimber and Riley, 1963; de Wet and Harlan, 1970), and Raven and Thompson (1964) pointed out that there is no experimental basis or ...
openaire +2 more sources
Explorations in Evolutionary Design of Online Auction Market Mechanisms
, 2003 This paper describes the use of a genetic algorithm (GA) to find optimal parameter-values for trading agents that operate in virtual online auction “e-marketplaces”, where the rules of those marketplaces are also under simultaneous control of the GA. The
Cliff, Dave
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The genome of a hadal sea cucumber reveals novel adaptive strategies to deep-sea environments
iScience, 2022 Summary: How organisms cope with coldness and high pressure in the hadal zone remains poorly understood. Here, we sequenced and assembled the genome of hadal sea cucumber Paelopatides sp.
Guangming Shao +11 more
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The complete mitochondrial genome sequence of Schizothorax griseus (Cypriniformes: Cyprinidae)
Mitochondrial DNA. Part B. Resources, 2017 In this study, the complete mitochondrial genome (mtDNA) of Schizothorax griseus was sequenced. The mitogenome is 16,586 bp in length, composed of 13 protein-coding genes, two rRNA genes, 22 tRNA genes, and two non-coding regions.
Xue Wang +3 more
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Trade-offs constrain adaptive pathways to type VI secretion system survival
iScience, 2023 Summary: The Type VI Secretion System (T6SS) is a nano-harpoon used by many bacteria to inject toxins into neighboring cells. While much is understood about mechanisms of T6SS-mediated toxicity, less is known about the ways that competitors can defend ...
Kathryn A. MacGillivray +7 more
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Uncovering the mechanisms of transcription elongation by eukaryotic RNA polymerases I, II, and III
iScience, 2022 Summary: Eukaryotes express three nuclear RNA polymerases (Pols I, II, and III) that are essential for cell survival. Despite extensive investigation of the three Pols, significant knowledge gaps regarding their biochemical properties remain because each
Ruth Q. Jacobs +3 more
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iScience, 2022 Summary: Genetic instability of Chinese hamster ovary (CHO) cells is implicated in production inconsistency through poorly defined mechanisms. Using a multi-omics approach, we analyzed the variations of CHO lineages derived from CHO-K1 cells. We identify
Steve Huhn +8 more
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How Developmental is Evolutionary Developmental Biology? [PDF]
, 2002 Evolutionary developmental biology (evo-devo) offers both an account of developmental processes and also new integrative frameworks for analyzing interactions between development and evolution.
Jason Scott Robert, Robert, Jason Scott
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Photoperiodic regime influences onset of lens opacities in a non-human primate [PDF]
PeerJ, 2017 Background Opacities of the lens are typical age-related phenomena which have a high influence on photoreception and consequently circadian rhythm. In mouse lemurs, a small bodied non-human primate, a high incidence (more than 50% when >seven years) of ...
Marko Dubicanac +5 more
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