The mortality of Bombyx mori larvae challenged by BmNPV is reduced when supplemented with Lactobacillus acidophilus bacteria.

IF 1.6 Q2 MULTIDISCIPLINARY SCIENCES BMC Research Notes Pub Date : 2024-12-17 DOI:10.1186/s13104-024-07019-9

Siripuk Suraporn, Vallaya Suthikhum, Olle Terenius

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Abstract

Objective: Bombyx mori nucleopolyhedrovirus (BmNPV) causes grasserie with severe effects in Thai strains of the silkworm Bombyx mori. The aim of this study was to investigate the effect of probiotic supplementation on the survival of silkworm larvae challenged with BmNPV.

Results: Silkworm larvae of the Thai polyvoltine strain Samrong was supplemented with commercial probiotic bacteria, Lactobacillus acidophilus, on the second day of the 2nd, 3rd, 4th, and 5th instar. When challenged with BmNPV on the second day of the 4th instar, the survival ratio was 92% for larvae supplemented with L. acidophilus as compared to 56% for larvae without L. acidophilus supplementation. For the larvae that survived until pupation, we determined the growth characters cocooning ratio, larval weight, and pupation ratio, and the economic characters cocoon shell weight and cocoon weight. Growth characters were significantly lower in larvae infected with BmNPV as compared to infected larvae receiving probiotics.

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补充嗜酸乳杆菌后，受到 BmNPV 病毒感染的蚕蛾幼虫死亡率会降低。

目的：家蚕核多角体病毒（BmNPV）在家蚕泰国品系中引起严重危害。本研究旨在探讨添加益生菌对BmNPV攻毒家蚕幼虫存活的影响。结果：在家蚕2龄、3龄、4龄和5龄的第2天，对泰国多voltine菌株Samrong的幼虫补充商业益生菌嗜酸乳杆菌。在4龄第2天用BmNPV攻毒，添加嗜酸乳杆菌的幼虫存活率为92%，未添加嗜酸乳杆菌的幼虫存活率为56%。对存活至化蛹的幼虫，测定了成茧率、幼虫重、化蛹率的生长性状和茧壳重、茧重的经济性状。感染BmNPV的幼虫生长性状显著低于接种益生菌的幼虫。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

BMC Research Notes Biochemistry, Genetics and Molecular Biology-Biochemistry, Genetics and Molecular Biology (all)

CiteScore

3.60

自引率

0.00%

发文量

363

审稿时长

15 weeks

期刊介绍： BMC Research Notes publishes scientifically valid research outputs that cannot be considered as full research or methodology articles. We support the research community across all scientific and clinical disciplines by providing an open access forum for sharing data and useful information; this includes, but is not limited to, updates to previous work, additions to established methods, short publications, null results, research proposals and data management plans.