총 694페이지
352페이지 본문시작
"They will move on if another parasite species's offspring is present because the
other parasite would compete with its young for food."
Pang adds that interestingly, however, the wasps will lay their eggs on fruit fly pupae
that already have other T. drosophilae eggs on them, even though only one young
wasp would ultimately survive. The study showed having multiple T. drosophilae eggs
on a single fruit fly pupa ensured it was eaten more quickly by the wasp larvae
when they hatched.
"Doubling up likely leads to the additional introduction of venom and specialized cells
to help the wasp larvae more quickly digest the pupa, maximizing the nutrition
available, especially in older pupae with poorer resources," says co-senior author
Shuai Zhan, a professor at the CAS Center for Excellence in Molecular Plant
Sciences, Chinese Academy of Sciences, Shanghai, China. "This super parasitism
may help compensate for the female wasps' inability to recognize young pupae as
hosts for their young."
The study suggests the wasps could provide a useful biological control tool to protect
vulnerable fruit crops from D. Suzukii.
"Our study demystifies how parasitic wasps weaponize themselves to overcome the
formidable defenses of their hosts," concludes senior author Jianhua Huang, a
professor at the Institute of Insect Sciences at Zhejiang University. "It also provides
evidence of the intricate coordination between genetic, molecular and behavioral
adaptations that drive the wasps' evolutionary success."
More information: Lan Pang et al, Coordinated molecular and ecological adaptations
underlie a highly successful parasitoid, eLife (2024). DOI: 10.7554/eLife.94748.1
Journal information: eLife
- 352 -
other parasite would compete with its young for food."
Pang adds that interestingly, however, the wasps will lay their eggs on fruit fly pupae
that already have other T. drosophilae eggs on them, even though only one young
wasp would ultimately survive. The study showed having multiple T. drosophilae eggs
on a single fruit fly pupa ensured it was eaten more quickly by the wasp larvae
when they hatched.
"Doubling up likely leads to the additional introduction of venom and specialized cells
to help the wasp larvae more quickly digest the pupa, maximizing the nutrition
available, especially in older pupae with poorer resources," says co-senior author
Shuai Zhan, a professor at the CAS Center for Excellence in Molecular Plant
Sciences, Chinese Academy of Sciences, Shanghai, China. "This super parasitism
may help compensate for the female wasps' inability to recognize young pupae as
hosts for their young."
The study suggests the wasps could provide a useful biological control tool to protect
vulnerable fruit crops from D. Suzukii.
"Our study demystifies how parasitic wasps weaponize themselves to overcome the
formidable defenses of their hosts," concludes senior author Jianhua Huang, a
professor at the Institute of Insect Sciences at Zhejiang University. "It also provides
evidence of the intricate coordination between genetic, molecular and behavioral
adaptations that drive the wasps' evolutionary success."
More information: Lan Pang et al, Coordinated molecular and ecological adaptations
underlie a highly successful parasitoid, eLife (2024). DOI: 10.7554/eLife.94748.1
Journal information: eLife
- 352 -
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