Rattus norvegicus (Berkenhout, 1769) (Rodentia: Muridae)’un entomopatojen bakteriler ile enfekte böcek kadavralarına tepkisinin belirlenmesi

IF 0.9 4区农林科学 Q3 ENTOMOLOGY Turkiye Entomoloji Dergisi-Turkish Journal of Entomology Pub Date : 2023-04-16 DOI:10.16970/entoted.1199313

Derya Uluğ

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Abstract

Xenorhabdus Thomas & Poinar (Enterobacterales: Morganellaceae) and Photorhabdus Thomas & Poinar (Enterobacterales: Morganellaceae) bacteria are mutualistically associated with Steinernema Travassos, 1927 (Rhabditida: Steinernematidae) and Heterorhabditis Poinar, 1976 (Rhabditida: Heterorhabditidae) nematodes, respectively, and are known to produce several secondary metabolites that protect nematode-killed insects from different competitors. One of these compounds called “the scavenger deterrent factor” (SDF) is known to deter different arthropod, bird, and fish species from feeding on insects killed by Xenorhabdus or Photorhabdus bacteria. The effects of SDF from five different Xenorhabdus and one Photorhabdus species against the Norway rat, Rattus norvegicus (Berkenhout, 1769) (Rodentia: Muridae) were investigated using either a one-choice or two-choice experimental design during 2019-2020 in Aydın Adnan Menderes University. Rats were given four-day-old bacteria-killed Galleria mellonella (L., 1758) (Lepidoptera: Pyralidae) larvae and feeding behavior was observed and recorded. The results demonstrate that the Norway rat is deterred from feeding on insects killed by certain Xenorhabdus and Photorhabdus species and it is likely due to the distastefulness of these cadavers. Ecologically, the data suggest that insects killed by the entomopathogenic nematode/bacterium complex in nature may be protected from attack from insectivorous mammals, especially those that feed on soil-dwelling insects.

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Xenorhabdus Thomas & Poinar (Enterobacterales: Morganellaceae)和Photorhabdus Thomas & Poinar (Enterobacterales: Morganellaceae)细菌分别与Steinernema Travassos, 1927 (Rhabditida: Steinernematidae)和Heterorhabditis Poinar, 1976 (Rhabditida: Heterorhabditidae)线虫相互关联，并且已知产生几种次生代谢物，保护被线虫杀死的昆虫免受不同竞争者的侵害。其中一种化合物被称为“清道夫威慑因子”(SDF)，它可以阻止不同的节肢动物、鸟类和鱼类以被Xenorhabdus或Photorhabdus细菌杀死的昆虫为食。2019-2020年，在Aydın Adnan Menderes大学研究了5种Xenorhabdus和1种Photorhabdus对挪威大鼠褐家鼠(Rattus norvegicus, Berkenhout, 1769)(啮齿类:Muridae)的SDF作用。实验采用大鼠4 d龄经细菌杀灭的mellonella (L.， 1758)(鳞翅目:皮蚜科)幼虫，观察并记录其摄食行为。结果表明，挪威鼠不愿以某些Xenorhabdus和Photorhabdus物种杀死的昆虫为食，这可能是由于这些尸体令人作呕。从生态学的角度来看，这些数据表明，自然界中被昆虫病原线虫/细菌复合体杀死的昆虫可能免受食虫哺乳动物的攻击，特别是那些以土栖昆虫为食的哺乳动物。

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来源期刊

Turkiye Entomoloji Dergisi-Turkish Journal of Entomology ENTOMOLOGY-

CiteScore

1.60

自引率

12.50%

发文量

审稿时长

>12 weeks

期刊介绍： The Turkish Journal of Entomology is a quarterly journal which has been published by Entomological Society. Turkish Journal of Entomology publishes original research articles in the fields of entomology and agricultural zoology in English. Authors whose native language is not English should have their paper edited professionally prior to submission. Before preparing the typescript for submission, examine the format of manuscripts already published in Turkish Journal of Entomology. According to TJE rules, biological observations made in one location in only one-year, short notes in which the first record of a single species in Turkey is announced, and research which is older than five years will not be accepted for publication unless it forms part of a longitudinal study.