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Evolutionary shifts in taste coding in the fruit pest Drosophila suzukii

Dweck, Hany Km ; Talross, Gaëlle Js ; Wang, Wanyue ; Carlson, John R

eLife, 2021-02, Vol.10 [Periódico revisado por pares]

England: eLife Science Publications, Ltd

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Título:
Evolutionary shifts in taste coding in the fruit pest Drosophila suzukii
Autor: Dweck, Hany Km ; Talross, Gaëlle Js ; Wang, Wanyue ; Carlson, John R
Assuntos: Agricultural pests ; Analysis ; Animals ; Biological Evolution ; bitter compounds ; Bitter taste ; D. suzukii ; Drosophila ; Drosophila - genetics ; Drosophila - physiology ; Drosophila suzukii ; Egg laying ; Eggs ; evolution ; Fragaria ; Fruit ; Fruit - chemistry ; Fruit-flies ; Fruits ; Genetically modified organisms ; Insects ; labellum ; Neuroscience ; Oviposition - physiology ; Physiological aspects ; Physiology ; Preferences ; ripe fruit ; Sensilla ; Sensilla - physiology ; Species ; Species Specificity ; Strawberries ; Taste ; Taste - genetics ; Taste perception ; Taste receptors ; taste system ; Transcriptomes
É parte de: eLife, 2021-02, Vol.10
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
Descrição: Although most species lay eggs in overripe fruit, the agricultural pest lays eggs in ripe fruit. We found that changes in bitter taste perception have accompanied this adaptation. We show that bitter-sensing mutants of undergo a shift in egg laying preference toward ripe fruit. has lost 20% of the bitter-sensing sensilla from the labellum, the major taste organ of the head. Physiological responses to various bitter compounds are lost. Responses to strawberry purées are lost from two classes of taste sensilla. Egg laying is not deterred by bitter compounds that deter other species. Profiling of labellar transcriptomes reveals reduced expression of several bitter genes ( ). These findings support a model in which bitter compounds in early ripening stages deter egg laying in most species, but a loss of bitter response contributes to the adaptation of to ripe fruit.
Editor: England: eLife Science Publications, Ltd
Idioma: Inglês

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Evolutionary shifts in taste coding in the fruit pest Drosophila suzukii

Dweck, Hany Km ; Talross, Gaëlle Js ; Wang, Wanyue ; Carlson, John R

England: eLife Science Publications, Ltd

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