AI Article Synopsis
- - The brown planthopper is a significant pest impacting rice production in Asia, making it a challenge for agriculture.
- - The ITIH4 gene, which is related to various biological processes, was studied and found to be expressed in all developmental stages and tissues of the pest, particularly in the fat body.
- - Silencing ITIH4 through RNA interference reduced the pest's survival, delayed ovary development, and lowered egg production and hatching rates, highlighting its crucial role in reproduction and growth.
Article Abstract
The brown planthopper, , is a difficult-to-control insect pest affecting rice yields in Asia. As a structural component of the inter-alpha-trypsin inhibitor (ITI), the inter-alpha-trypsin inhibitor heavy chain (ITIH) has been reported to be involved in various inflammatory or malignant disorders, ovarian development, and ovulation. To reveal the function of ITIH4 in , the gene encoding ITIH4 () was cloned and characterized. ITIH4 contains a signal peptide, a vault protein inter-alpha-trypsin domain, and a von Willebrand factor type A domain. qPCR analysis showed that was expressed at all developmental stages and in all tissues (fat body, ovary, and gut), with the highest expression in the fat body. Double stranded (ds) injection clearly led to an RNAi-mediated inhibition of the expression of and resulted in reduced survival, delayed ovarian development, and reduced egg production and egg hatching. These results indicate that plays an important role in the development and reproduction of .
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|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8951764 | PMC |
| http://dx.doi.org/10.3390/insects13030303 | DOI Listing |
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