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High Prevalence of Pantoea in Diaphorina citri (Hemiptera: Liviidae): Vector of Citrus Huanglongbing Disease
Ist Teil von
Current microbiology, 2020-08, Vol.77 (8), p.1525-1531
Ort / Verlag
New York: Springer US
Erscheinungsjahr
2020
Link zum Volltext
Quelle
MEDLINE
Beschreibungen/Notizen
As an important insect vector, Asian citrus psyllid (ACP),
Diaphorina citri
Kuwayama (Hemiptera: Liviidae) transmits the pathogen ‘
Candidatus
Liberibacter asiaticus’ (
C
Las) that is associated with citrus greening also known as Huanglongbing (HLB) disease. The bacterial endosymbionts have a potential role in shaping the host range of insect herbivores and their performance on different host plants, which might affect the endosymbiont distribution in insect populations. Here, we detected and characterized
Pantoea
endosymbiont in nymph and adult ACP specimens collected from
Citrus reticulata
Blanco and
Cordia myxa
L. plants. The phylogenetic tree constructed using endosymbiotic bacteria 16S ribosomal RNA sequences indicated that
Pantoea
sp. was closely related to
Mixta calida
, sharing about 98% identity and was grouped with other
Mixta
and
Pantoea
endosymbionts. Our findings showed 100% and 92.3% infection of
Pantoea
in adults while 61.5% and 90% infection of
Pantoea
in nymphs collected from
C. reticulata
and
C. myxa
plants, respectively. Understanding the interaction of endosymbiotic bacteria with ACP associated with host plants could be useful for developing an effective management strategy for both ACP and HLB disease.