The role of phenotypic plasticity in host race formation and sympatric speciation in phytophagous insects, particularly in aphids
Küçük Resim Yok
Tarih
2000
Yazarlar
Dergi Başlığı
Dergi ISSN
Cilt Başlığı
Yayıncı
Erişim Hakkı
info:eu-repo/semantics/openAccess
Özet
Son yıllarda aphidlerin farklı insektisitlere dayanıklılık kazanmaları, farklı bitkilere uyum sağlayan biyotiplerin ortaya çıkması ve aphidlerce taşınan virüslerin artması aphidlere olan ilgiyi artırmıştır. Bunun sonucunda aphidlerin hangi mekanizmalarla bunları başardığı sorusu ortaya çıkmıştır. Son zamanlarda "Fenotipik plastisity", ekolojik ve evrimsel açıdan önem kazanmaya başlamıştır. Fenotipik plastisity sonucunda ortaya çıkan fenotipik değişikliklerin, aphidlerde yeni evrimsel yapılanmalara, özellikle yeni konakçı türlerin ortaya çıkmasına ve sonuçta simpatrik türlerin oluşmasına sebep olduğu gözlenmiştir. Gittikçede "Fenotipik plastisity" nin evrimsel değişimin önemli faktörlerinden biri olduğu ve değişen çevre koşullarına uyumda önemli rol oynadığı düşüncesi ağırlık kazanmaktadır.
The genetic structure of aphid populations has received increasing attention as a result of the evolution of insecticide resistance, the appearance of biotypes overcoming plant resistance and the increasing spread of aphid-born viruses. How can they manage to use different hosts and overcome insecticide and plants' morphological barriers? Recently, plasticity has been given more attention in ecological and evolutionary contexts as a specific adaptation to environmental variability. Phenotypic variation is crucial to a comprehension of evolutionary mechanisms, especially phenotypic host race formation and sympatric speciation in aphids. It is becoming clear that phenotypic plasticity is a fundamental component of evolutionary change and is one solution to the problem of adaptation to heterogeneous environments.
The genetic structure of aphid populations has received increasing attention as a result of the evolution of insecticide resistance, the appearance of biotypes overcoming plant resistance and the increasing spread of aphid-born viruses. How can they manage to use different hosts and overcome insecticide and plants' morphological barriers? Recently, plasticity has been given more attention in ecological and evolutionary contexts as a specific adaptation to environmental variability. Phenotypic variation is crucial to a comprehension of evolutionary mechanisms, especially phenotypic host race formation and sympatric speciation in aphids. It is becoming clear that phenotypic plasticity is a fundamental component of evolutionary change and is one solution to the problem of adaptation to heterogeneous environments.
Açıklama
Anahtar Kelimeler
Biyoloji
Kaynak
Turkish Journal of Zoology
WoS Q Değeri
Scopus Q Değeri
Q3
Cilt
24
Sayı
1
