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Molecular basis of the silkworm mutant re^(l) causing red egg color and embryonic death

Insect Science 2021年第5期28卷 1290-1299页

作者： Jiang-Wen Luo Er-Xia An Ya-Ru Lu Ling Yang Ting-Ting Gai Song-Zhen He Song-Yuan Wu Hai Hu Chun-Lin Li Cheng Lu Xiao-Ling Tong Fang-Yin Dai State Key Laboratory of Silkworm Genome Biology Key Laboratory of Sericultural Biology and Genetic BreedingCollege of BiotechnologySouthwest UniversityChongqing400715 China

The coloration and hatchability of insect eggs can affect individual and population ***,few genetic loci have been documented to affect both traits,and the genes involved in regulating these two traits are *** silkworm recessive mutant re^(l)shows both red egg color and embryo *** studied the molecular basis of the re^(l)phenotype *** genetic analysis,gene screening and sequencing,we found that two closely linked genes,BGIBMGA003497(Bmre)and BGIBMG4003697(Bm-Semala),control egg color and embryo mortality,*** base pairs of the Bm-re gene are deleted in its open reading frame,and BmSemala is expressed at abnormally low levels in mutant re^(l).BmSemala gene function verification was performed using RNA interference and clustered randomly interspersed palindromic repeats(CRISPR)/CRISPR-associate protein *** of the BmSemala gene can cause the death of silkworm *** study revealed the molecular basis of silkworm re^(l)mutant formation and indicated that the Semala gene is essential for insect embryo development.

关键词： BmSemala CRISPR/Cas9 embryonic mortality red egg silkworm

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Molecular basis of the silkworm mutant rel causing red egg color and embryonic death

Molecular basis of the silkworm mutant rel causing red egg c...

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中国蚕学会2021年学术年会

作者： Jiangwen Luo Erxia An Yaru Lu Ling Yang Tingting Gai Songzhen He SongYuan Wu Hai Hu Chunlin Li Cheng Lu Xiaoling Tong Fangyin Dai State Key Laboratory of Silkworm Genome Biology Key Laboratory of Sericultural Biology and Genetic BreedingCollege of BiotechnologySouthwest University

The coloration and hatchability of insect eggs can affect individual and population ***,few genetic loci have been documented to affect both traits,and the genes involved in regulating these two traits are *** silkworm recessive mutant rel shows both red egg color and embryo *** studied the molecular basis of the rel phenotype *** genetic analysis,gene screening and sequencing,we found that two closely linked genes,BGIBMGA003497（Bm-re） and BGIBMGA003697（BmSema1a）,control egg color and embryo mortality,*** base pairs of the Bm-re gene are deleted in its open reading frame,and BmSema1a is expressed at abnormally low levels in mutant ***1a gene function verification was performed using RNAi and CRISPR/*** of the BmSema1a gene can cause the death of silkworm *** study revealed the molecular basis of silkworm rel mutant formation and indicated that the Sema1a gene is essential for insect embryo development.

关键词： BmSema1a CRISPR/Cas9 embryonic mortality red egg silkworm

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