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光周期对橘小实蝇表型、肠道菌群及免疫的影响
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引用本文:杨雨馨,赵颖睿,赵紫华.光周期对橘小实蝇表型、肠道菌群及免疫的影响.植物保护学报,2023,50(6):1585-1592
DOI:10.13802/j.cnki.zwbhxb.2023.2023834
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作者单位E-mail
杨雨馨 中国农业大学植物保护学院植物生物安全系, 北京 100193  
赵颖睿 中国农业大学植物保护学院植物生物安全系, 北京 100193  
赵紫华 中国农业大学植物保护学院植物生物安全系, 北京 100193 zhzhao@cau.edu.cn 
中文摘要:为了解光周期对橘小实蝇Bactrocera dorsalis的生态影响,于室内测定全光(24 L∶0 D)、全暗(0 L∶24 D)和对照(14 L∶10 D)这3种光周期处理下橘小实蝇的表型、肠道菌群以及免疫变化。结果显示,全光和全暗处理后橘小实蝇幼虫的发育历期分别为5.51 d和5.40 d,单头蛹重分别为14.47 mg和10.82 mg,均较对照显著降低;全光和全暗处理后橘小实蝇雌成虫的卵巢面积分别较对照显著减小;全光和全暗处理后橘小实蝇肠道微生物Shannon指数、Ace指数和Chao指数分别较对照显著降低,而Simpson指数分别较对照显著增加;3个光周期处理后橘小实蝇肠道微生物共有36个门,处理后橘小实蝇肠道微生物物种组成较对照减少;3个光周期处理后橘小实蝇肠道微生物样本组内集中,组间无重叠,全光样本、全暗样本均与对照样本距离较远;全光和全暗处理后橘小实蝇肠道微生物类群分别与对照组有明显差异;全光和全暗处理后橘小实蝇被线虫侵染的死亡率显著增加,分别为80%和90%。
中文关键词:橘小实蝇  光周期  肠道微生物  表型  线虫  侵染  免疫
 
Effects of photoperiod on the phenotype, intestinal microbes and immunity of oriental fruit fly Bactrocera dorsalis
Author NameAffiliationE-mail
Yang Yuxin Department of Plant Biosafety, College of Plant Protection, China Agricultural University, Beijing 100193, China  
Zhao Yingrui Department of Plant Biosafety, College of Plant Protection, China Agricultural University, Beijing 100193, China  
Zhao Zihua Department of Plant Biosafety, College of Plant Protection, China Agricultural University, Beijing 100193, China zhzhao@cau.edu.cn 
Abstract:To investigate the ecological effects of photoperiod on oriental fruit fly Bactrocera dorsalis, the changes in the phenotype, intestinal microbes, and immunity of B. dorsalis were studied under three photoperiods: full light (24 L∶0 D), full dark (0 L∶24 D) and CK (14 L∶10 D). The results showed that after exposure to full light and full dark conditions, the larval duration was 5.51 d and 5.40 d, respectively, with pupal weights of 14.47 mg and 10.82 mg, significantly lower than those under CK conditions. The ovarian development of female adults was significantly inhibited. Under full light and full dark treatments, the Shannon index, Ace index and Chao index in terms of intestinal microbes were significantly lower than compared to CK, while the Simpson index was significantly higher. After the three photoperiod treatments, the intestinal microbes were richer in CK compared to full light and full dark treatments, with a total of 36 phyla. Concentrated groupings of the intestinal microbial samples for the three photoperiod treatments were observed, with no overlap between groups, and samples from full light and full dark treatments were distant from CK samples. Intestinal microbes after full light and full dark treatments were significantly different from those under CK conditions. Furthermore, and the mortality of B. dorsalis infected by nematodes after full light and full dark treatments increased significantly, reaching 80% and 90%, respectively.
keywords:Bactrocera dorsalis  photoperiod  intestinal microbe  phenotype  nematode  infection  immunity
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