การศึกษาชนิดของแบคทีเรียร่วมอาศัยในเพลี้ยจักจั่น Yamatotettix flavovittatus พาหะนำโรคใบขาวอ้อย
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Abstract
The purpose of this study was to identify bacterial symbionts in the leafhopper Yamatotettix flavovittatus (Matsumura) vector SCWL disease for possible use in the insect population control. The result from 16S rRNA bacterial gene analysis was found two types of bacteria include Candidatus Sulcia muelleri which is primary symbiont that live in Bacteriome of suborder Auchenorrhyncha insect. Another type found belongs to Gammaproteobacteria which did not closely match with any sequences in the database and it was named “Unknown bacteria in Y. flavovittatus (UBYF)”. The Ca. Sulcia muelleri and UBYF are detected in natural population of the leafhopper at 80-100 % and found in all sampling sugarcane fields. Moreover, both of these bacteria found in all developmental stages including eggs, nymphs, and adults. We speculate UBYF is new type of primary symbiont that co-localize in Bacteriome with Ca. Sulcia muelleri and may be mutualistic relation with leafhopper Y. flavovittatus.
Keywords: leafhopper; Y. flavovittatus; primary symbiont; sugarcane white leaf disease
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References
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