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Effect of predator-induced maternal stress during gestation on growth in root voles Microtus oeconomus | |
Bian, JH; Wu, Y; Liu, J | |
2005-12-01 | |
发表期刊 | ACTA THERIOLOGICA |
卷号 | 50期号:4页码:473-482 |
文章类型 | Article |
摘要 | We studied the effect of maternal stress evoked by a severe stressor from the cues of predation risk during gestation on the growth of offspring in root voles Microtus oeconomus Pallas, 1776. Body mass of both male and female offspring was significantly reduced in the period from birth to weaning. Females showed compensatory growth after weaning, whereas males maintained low body mass at weaning into adulthood. Maternal stress led to an elevated plasma corticosterone level in male offspring, but did not affect that of female offspring. Corticosterone levels remained elevated in males from stressed dams into adulthood. Increased levels of plasma corticosterone may have led to the inhibition of pituitary growth hormone and a chronically abnormal energy mobilization, considering the greater energy and metabolic requirements of male offspring, this may account for the sex-specific differences in compensatory growth. We suggest that in the high stress situation, endocrine-based sex-biased effects of maternal stress as a primary factor can lead to long-term physical and ecological consequences for male offspring. |
关键词 | Offspring Compensatory Growth Sex Difference Corticosterone Prenatal Stress |
WOS标题词 | Science & Technology ; Life Sciences & Biomedicine |
关键词[WOS] | PRENATAL STRESS ; HABITAT FRAGMENTATION ; POPULATION-CYCLES ; NATURAL-SELECTION ; SEX-DIFFERENCES ; MAMMALS ; LIFE ; RAT ; CORTICOSTERONE ; REPRODUCTION |
收录类别 | SCI |
语种 | 英语 |
WOS研究方向 | Zoology |
WOS类目 | Zoology |
WOS记录号 | WOS:000233781800004 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://210.75.249.4/handle/363003/6845 |
专题 | 中国科学院西北高原生物研究所 |
作者单位 | 1.Chinese Acad Sci, NW Plateau Inst, Xining 810001, Qinghai Prov, Peoples R China 2.Zhejiang Univ, Coll Life Sci, Hangzhou 310012, Zhejiang Prov, Peoples R China 3.Hangzhou Normal Coll, Sch Life Sci, Hangzhou 310012, Zhejiang Prov, Peoples R China |
推荐引用方式 GB/T 7714 | Bian, JH,Wu, Y,Liu, J. Effect of predator-induced maternal stress during gestation on growth in root voles Microtus oeconomus[J]. ACTA THERIOLOGICA,2005,50(4):473-482. |
APA | Bian, JH,Wu, Y,&Liu, J.(2005).Effect of predator-induced maternal stress during gestation on growth in root voles Microtus oeconomus.ACTA THERIOLOGICA,50(4),473-482. |
MLA | Bian, JH,et al."Effect of predator-induced maternal stress during gestation on growth in root voles Microtus oeconomus".ACTA THERIOLOGICA 50.4(2005):473-482. |
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