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- W2774165062 endingPage "3494" @default.
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- W2774165062 abstract "Plants on serpentine soils provide extreme examples of adaptation to environment, and thus offer excellent models for the study of evolution at the molecular and genomic level. Serpentine outcrops are derived from ultramafic rock and have extremely low levels of essential plant nutrients (e.g., N, P, K, and Ca), as well as toxic levels of heavy metals (e.g., Ni, Cr, and Co) and low moisture availability. These outcrops provide habitat to a number of endemic plant species, including the annual mustard Caulanthus amplexicaulis var. barbarae (Cab) (Brassicaceae). Its sister taxon, C. amplexicaulis var. amplexicaulis (Caa), is intolerant to serpentine soils. Here, we assembled and annotated comprehensive reference transcriptomes of both Caa and Cab for use in protein coding sequence comparisons. A set of 29,443 reciprocal best Blast hit (RBH) orthologs between Caa and Cab was compared with identify coding sequence variants, revealing a high genome-wide dN/dS ratio between the two taxa (mean = 0.346). We show that elevated dN/dS likely results from the composite effects of genetic drift, positive selection, and the relaxation of negative selection. Further, analysis of paralogs within each taxon revealed the signature of a period of elevated gene duplication (∼10 Ma) that is shared with other species of the tribe Thelypodieae, and may have played a role in the striking morphological and ecological diversity of this tribe. In addition, distribution of the synonymous substitution rate, dS, is strongly bimodal, indicating a history of reticulate evolution that may have contributed to serpentine adaptation." @default.
- W2774165062 created "2017-12-22" @default.
- W2774165062 creator A5006890819 @default.
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- W2774165062 creator A5061065672 @default.
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- W2774165062 creator A5082493369 @default.
- W2774165062 date "2017-12-01" @default.
- W2774165062 modified "2023-09-27" @default.
- W2774165062 title "Transcriptome Signatures of Selection, Drift, Introgression, and Gene Duplication in the Evolution of an Extremophile Endemic Plant" @default.
- W2774165062 cites W1494075612 @default.
- W2774165062 cites W1510699761 @default.
- W2774165062 cites W1537437682 @default.
- W2774165062 cites W1772281102 @default.
- W2774165062 cites W1873067871 @default.
- W2774165062 cites W1965692132 @default.
- W2774165062 cites W1971231926 @default.
- W2774165062 cites W1976215839 @default.
- W2774165062 cites W1976412244 @default.
- W2774165062 cites W1976445111 @default.
- W2774165062 cites W1981086150 @default.
- W2774165062 cites W1987920533 @default.
- W2774165062 cites W1989203950 @default.
- W2774165062 cites W1989909978 @default.
- W2774165062 cites W1990880168 @default.
- W2774165062 cites W1993969626 @default.
- W2774165062 cites W2002872570 @default.
- W2774165062 cites W2003815833 @default.
- W2774165062 cites W2004211429 @default.
- W2774165062 cites W2009234149 @default.
- W2774165062 cites W2009542631 @default.
- W2774165062 cites W2009791735 @default.
- W2774165062 cites W2013527764 @default.
- W2774165062 cites W2017723107 @default.
- W2774165062 cites W2019591778 @default.
- W2774165062 cites W2021525168 @default.
- W2774165062 cites W2027938985 @default.
- W2774165062 cites W2029485578 @default.
- W2774165062 cites W2030300898 @default.
- W2774165062 cites W2032061457 @default.
- W2774165062 cites W2033231938 @default.
- W2774165062 cites W2035454907 @default.
- W2774165062 cites W2037199331 @default.
- W2774165062 cites W2037777185 @default.
- W2774165062 cites W2040599636 @default.
- W2774165062 cites W2042004190 @default.
- W2774165062 cites W2050024602 @default.
- W2774165062 cites W2051814192 @default.
- W2774165062 cites W2054951161 @default.
- W2774165062 cites W2062507088 @default.
- W2774165062 cites W2066307121 @default.
- W2774165062 cites W2066908868 @default.
- W2774165062 cites W2073029061 @default.
- W2774165062 cites W2076913878 @default.
- W2774165062 cites W2078132122 @default.
- W2774165062 cites W2078663788 @default.
- W2774165062 cites W2078888764 @default.
- W2774165062 cites W2083653513 @default.
- W2774165062 cites W2087923822 @default.
- W2774165062 cites W2090215645 @default.
- W2774165062 cites W2092350661 @default.
- W2774165062 cites W2092882875 @default.
- W2774165062 cites W2095962396 @default.
- W2774165062 cites W2096586490 @default.
- W2774165062 cites W2098115340 @default.
- W2774165062 cites W2101786683 @default.
- W2774165062 cites W2103111028 @default.
- W2774165062 cites W2103906623 @default.
- W2774165062 cites W2106783466 @default.
- W2774165062 cites W2107201571 @default.
- W2774165062 cites W2107495006 @default.
- W2774165062 cites W2108124277 @default.
- W2774165062 cites W2109237819 @default.
- W2774165062 cites W2110838395 @default.
- W2774165062 cites W2115011276 @default.
- W2774165062 cites W2116668053 @default.
- W2774165062 cites W2116713491 @default.
- W2774165062 cites W2117719962 @default.
- W2774165062 cites W2119632499 @default.
- W2774165062 cites W2121286812 @default.
- W2774165062 cites W2122154552 @default.
- W2774165062 cites W2122737746 @default.
- W2774165062 cites W2126419817 @default.
- W2774165062 cites W2130362098 @default.
- W2774165062 cites W2131271579 @default.
- W2774165062 cites W2132455295 @default.
- W2774165062 cites W2137652007 @default.
- W2774165062 cites W2141677788 @default.
- W2774165062 cites W2142741172 @default.
- W2774165062 cites W2144061158 @default.
- W2774165062 cites W2147290358 @default.
- W2774165062 cites W2147944781 @default.
- W2774165062 cites W2148461214 @default.
- W2774165062 cites W2149687548 @default.
- W2774165062 cites W2149716668 @default.
- W2774165062 cites W2149902435 @default.