摘要
Genesarecontinuallybeingcreatedbytheprocessesofgenomeduplication(ohnolog)andgeneduplication(paralog)Whole-genomeduplicationshavebeenfoundtobewidespreadinplantspeciesandplayanimportantroleinplantevolution.Clearlyun-overlappingduplicatedblocksofwhole-genomeduplicationscanbedetectedinthegenomeofsequencedrice(Oryzasativa).Syntenicohnologpairs(ohnologues)ofthewhole-genomeduplicationsinricewereidentifiedbasedontheirsyntenicduplicatelines.Theparalogsofohnologueswerefurtherscannedusingmulti-roundreciprocalBLASTbest-hitsearching(E＜e-14).Theresultsindicatedthatanaverageof0.55sisterparalogscouldbefoundforeveryohnologueinrice.Theseresultssuggestthatsmall-scaleduplications,aswellaswhole-genomeduplications,playasignificantroleinthetwoduplicatedricegenomes.
出版日期
2005年03月13日（中国期刊网平台首次上网日期，不代表论文的发表时间）
