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Liu, Xiao‐ping, Liu, Chang‐yan, Feng, Yan‐jiao, Guo, Xing‐kai, Zhang, Li‐sheng, Wang, Meng‐qing, Li, Yu‐yan, Zeng, Fan‐rong, Nolan, Tony 
ORCID: https://orcid.org/0000-0002-2982-8333 and Mao, Jian‐jun
(2023)
'Male vitellogenin regulates gametogenesis through a testis‐enriched big protein in Chrysopa pallens'. Insect Molecular Biology, Vol 33, Issue 1, pp. 17-28.
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Abstract
In insects, vitellogenin (Vg) is generally viewed as a female‐specific protein. Its primary function is to supply nutrition to developing embryos. Here, we reported Vg from the male adults of a natural predator, Chrysopa pallens. The male Vg was depleted by RNAi. Mating with Vg‐deficient male downregulated female Vg expression, suppressed ovarian development and decreased reproductive output. Whole‐organism transcriptome analysis after male Vg knockdown showed no differential expression of the known spermatogenesis‐related regulators and seminal fluid protein genes, but a sharp downregulation of an unknown gene, which encodes a testis‐enriched big protein (Vcsoo). Separate knockdown of male Vg and Vcsoo disturbed the assembly of spermatid cytoplasmic organelles in males and suppressed the expansion of ovary germarium in mated females. These results demonstrated that C. pallens male Vg signals through the downstream Vcsoo and regulates male and female reproduction.
| Item Type: | Article |
|---|---|
| Subjects: | QU Biochemistry > Proteins. Amino Acids. Peptides > QU 55 Proteins QX Parasitology > Insects. Other Parasites > QX 500 Insects QX Parasitology > Insects. Other Parasites > QX 650 Insect vectors |
| Faculty: Department: | Biological Sciences > Vector Biology Department |
| Digital Object Identifer (DOI): | https://doi.org/10.1111/imb.12873 |
| SWORD Depositor: | JISC Pubrouter |
| Depositing User: | JISC Pubrouter |
| Date Deposited: | 16 Oct 2023 09:50 |
| Last Modified: | 14 Sep 2024 03:12 |
| URI: | https://archive.lstmed.ac.uk/id/eprint/23208 |
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