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2015 ; 10
(7
): e0132286
Nephropedia Template TP
gab.com Text
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English Wikipedia
Transcriptome-Based Identification of Highly Similar Odorant-Binding Proteins
among Neotropical Stink Bugs and Their Egg Parasitoid
#MMPMID26161752
Farias LR
; Schimmelpfeng PH
; Togawa RC
; Costa MM
; Grynberg P
; Martins NF
; Borges M
; Blassioli-Moraes MC
; Laumann RA
; Báo SN
; Paula DP
PLoS One
2015[]; 10
(7
): e0132286
PMID26161752
show ga
Olfaction plays a fundamental role in insect survival through resource location
and intra and interspecific communications. We used RNA-Seq to analyze
transcriptomes for odorant-binding proteins (OBPs) from major stink bug pest
species in Brazil, Euschistus heros, Chinavia ubica, and Dichelops melacanthus,
and from their egg parasitoid, Telenomus podisi. We identified 23 OBPs in E.
heros, 25 OBPs in C. ubica, 9 OBPs in D. melacanthus, and 7 OBPs in T. podisi.
The deduced amino acid sequences of the full-length OBPs had low intraspecific
similarity, but very high similarity between two pairs of OBPs from E. heros and
C. ubica (76.4 and 84.0%) and between two pairs of OBPs from the parasitoid and
its preferred host E. heros (82.4 and 88.5%), confirmed by a high similarity of
their predicted tertiary structures. The similar pairs of OBPs from E. heros and
C. ubica may suggest that they have derived from a common ancestor, and retain
the same biological function to bind a ligand perceived or produced in both
species. The T. podisi OBPs similar to E. heros were not orthologous to any known
hymenopteran OBPs, and may have evolved independently and converged to the host
OBPs, providing a possible basis for the host location of T. podisi using E.
heros semiochemical cues.