Functional analysis of AgJHAMT gene related to developmental period in Aphis gossypii Glover
文献类型： 外文期刊
作者： Zhang, Lianjun 1 ; Li, Yuan 1 ; Xu, Xinhui 1 ; Feng, Mengmeng 1 ; Turak, Rukiya 1 ; Liu, Xiaoning 1 ; Pan, Hongsheng 2 ;
作者机构： 1.Xinjiang Univ, Coll Life Sci & Technol, Natl Demonstrat Ctr Expt Biol Educ, Xinjiang Key Lab Biol Resources & Genet Engn, Urumqi 30017, Peoples R China
2.Xinjiang Acad Agr Sci, Inst Plant Protect, Natl Plant Protect Sci Observat & Expt Stn Korla, Urumqi 830091, Peoples R China
关键词： Aphis gossypii; gene function; juvenile hormone acid methyltransferase; methoprene rescue
期刊名称：BULLETIN OF ENTOMOLOGICAL RESEARCH （ 影响因子：1.6； 五年影响因子：1.7 ）
ISSN： 0007-4853
年卷期： 2024 年 114 卷 5 期
页码：
收录情况： SCI
摘要： Aphis gossypii is one of the most economically important agricultural pests that cause serious crop losses worldwide, and the indiscriminate chemical application causes resistance development in A. gossypii, a major obstacle to successful control. In this study, we selected the up-regulated expression gene AgJHAMT, which was enriched into juvenile hormone pathway though transcriptome sequencing analysis of the cotton aphids that fed on transgenic cotton lines expressing dsAgCYP6CY3 (the TG cotton). The AgJHAMT gene was overexpressed in cotton aphids which fed on the TG cotton, and its expression profile during the nymphs was clarified. Then, silencing AgJHAMT could advance the developmental period of cotton aphids by 0.5 days compared with control groups. The T and t values of cotton aphids in the dsJHAMT treatment group (6.88 +/- 0.15, 1.65 +/- 0.06) were significantly shorter than that of the sprayed H2O control group (7.6 +/- 0.14, 1.97 +/- 0.09) (P < 0.05), respectively. The fast growth caused by AgJHAMT silencing was rescued by applying the JH analogue, methoprene. Overall, these findings clarified the function of AgJHAMT in the developmental period of A. gossypii. This study contributes to further clarify the molecular mechanisms of delaying the growth and development of cotton aphids by the transgenic cotton lines expressing dsAgCYP6CY3.
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