Non-symbiotic association of Citrobacter freundii and Staphylococcus succinus with the entomopathogenic nematode Steinernema feltiae
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Abstract:
نماتودهای خاکزی متعلق به خانواده Steinernematidae (Nematoda: Rhabditida) پارازیت های اجباری و کشنده حشرات بوده که معمولا تحت عنوان نماتودهای بیمارگر حشرات (Entomopathogenic nematodes) EPNs، از آنها نام برده می شود. این گروه از نماتودها به طور طبیعی با باکتری های جنس Xenorhabdus رابطه همزیستی داشته و نماتود مرحله سوم آلوده کننده یا Infective Juvenile، این باکتری ها را در یک وزیکول اختصاصی در رودهی خود حمل می کنند. در این مطالعه وجود دو گونه از باکتری های غیر همزیست از لاشه حشرات آلوده به نماتود بیمارگر حشرات Steinernema feltiae گزارش می گردد. شناسایی باکتری های مذکور بر اساس آزمون های بیوشیمیایی و تجزیه و تحلیل نسب شناختی ترادف ژن rRNA-s16 انجام گرفت و در نهایت دو گونه باکتری به عنوان Citrobacter freundiiو Staphylococcus succinus شناسایی شدند. مطالعه اخیر تاییدی بیشتر بر وجود ارتباط بین باکتری های غیر همزیست با نماتودهای بیمارگر حشرات و توانایی نماتودها در انتقال آنها می باشد.
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Journal title
volume 36 issue 2
pages 111- 119
publication date 2016-08-22
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