สืบค้นงานวิจัย
Parasite diversity of disease-bearing rodents of Southeast Asia: Habitat determinants and effects on sexual size dimorphism and life-traits
Morand S. - ไม่ระบุหน่วยงาน
ชื่อเรื่อง (EN): Parasite diversity of disease-bearing rodents of Southeast Asia: Habitat determinants and effects on sexual size dimorphism and life-traits
ผู้แต่ง / หัวหน้าโครงการ (EN): Morand S.
บทคัดย่อ (EN): We investigated a causal chain of relationships between habitat specialization and parasite species richness in rodent communities in Southeast Asia, and the consequences for variation in immune investment (using spleen size), the degree of sexual competition (using testes) and sexual size dimorphism (SSD). We used data gathered on rodents, their habitat specialization and their parasites (macro- and micro-parasites) in Southeast Asian landscapes. The results supported the hypotheses that parasite diversity drives the evolution of host life-traits and sexual selection. Firstly, host habitat specialization explained the variation in parasite species richness. Secondly, high parasite species richness was linked to host immune investment, using the relative spleen size of rodents. Thirdly, according to the potential costs associated with immune investment, the relative spleen size was found to be negatively correlated with the relative size of testes among rodents. Fourthly, a positive relationship between male-biased SSD and parasite species richness was observed supporting the role of parasitism in sexual selection. Finally, the variation in SSD was positively associated with the degree of habitat specialization. Highest values of female-biased SSD were associated with habitat specialization, whereas highest values of male-biased SSD concerned synanthropic or generalist rodent species. These results, also correlative, will help to facilitate selection of the species that should be thoroughly investigated at the population level to better understand the selective effects of parasites on rodent life-history and behavior. © 2015 Morand and Bordes.
บทคัดย่อ: ไม่พบข้อมูลจากหน่วยงานต้นทาง
ภาษา (EN): en
เอกสารแนบ (EN): https://www.scopus.com/inward/record.uri?eid=2-s2.0-85042879936&doi=10.3389%2ffevo.2015.00110&partnerID=40&md5=34f53dcd7786c98e4fc2267fdb9ab890
เผยแพร่โดย (EN): มหาวิทยาลัยมหิดล
คำสำคัญ (EN): Spleen
เจ้าของลิขสิทธิ์ (EN): มหาวิทยาลัยมหิดล
หากไม่พบเอกสารฉบับเต็ม (Full Text) โปรดติดต่อหน่วยงานเจ้าของข้อมูล

การอ้างอิง

Morand S.. "Parasite diversity of disease-bearing rodents of Southeast Asia: Habitat determinants and effects on sexual size dimorphism and life-traits". ไม่ระบุหน่วยงาน. ม.ป.ป.

Morand S.. "Parasite diversity of disease-bearing rodents of Southeast Asia: Habitat determinants and effects on sexual size dimorphism and life-traits". ไม่ระบุหน่วยงาน. ม.ป.ป.. Print.



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Parasite diversity of disease-bearing rodents of Southeast Asia: Habitat determinants and effects on sexual size dimorphism and life-traits
Morand S.
มหาวิทยาลัยมหิดล
ไม่ระบุวันที่เผยแพร่
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