globalchange  > 气候减缓与适应
DOI: 10.3354/dao03347
WOS记录号: WOS:000483999800005
论文题名:
Thermal acclimation has little effect on tadpole resistance to Batrachochytrium dendrobatidis
作者: Altman, Karie A.1,2; Raffel, Thomas R.1
通讯作者: Altman, Karie A.
刊名: DISEASES OF AQUATIC ORGANISMS
ISSN: 0177-5103
EISSN: 1616-1580
出版年: 2019
卷: 133, 期:3, 页码:207-216
语种: 英语
英文关键词: Chytridiomycosis ; Temperature ; Green frog ; Beneficial acclimation ; Dormancy
WOS关键词: FUNGAL PATHOGEN ; METABOLIC-RATE ; TEMPERATURE ; SUSCEPTIBILITY ; HOST ; FROG ; HIBERNATION ; CAPACITY ; DECLINES ; IMMUNITY
WOS学科分类: Fisheries ; Veterinary Sciences
WOS研究方向: Fisheries ; Veterinary Sciences
英文摘要:

Given that climate change is predicted to alter patterns of temperature variability, it is important to understand how shifting temperatures might influence species interactions, including parasitism. Predicting thermal effects on species interactions is complicated, however, be cause the temperature-dependence of the interaction depends on the thermal responses of both interacting organisms, which can also be influenced by thermal acclimation, a process by which organisms adjust their physiologies in response to a temperature change. We tested for thermal acclimation effects on Lithobates clamitans tadpole susceptibility to the fungus Batrachochytrium dendrobatidis (Bd) by acclimating tadpoles to 1 of 3 temperatures, moving them to 1 of 5 performance temperatures at which we exposed them to Bd, and measuring Bd loads on tadpoles post-exposure. We predicted that (1) tadpole Bd load would peak at a lower temperature than the temperature for peak Bd growth in culture, and (2) tadpoles acclimated to intermediate temperatures would have overall lower Bd loads across performance temperatures than cold-or warm-acclimated tadpoles, similar to a previously published pattern describing tadpole resistance to trematode metacercariae. Consistent with our first prediction, Bd load on tadpoles decreased with increasing performance temperature. However, we found only weak support for our second prediction, as acclimation temperature had little effect on tadpole Bd load. Our results contribute to a growing body of work investigating thermal responses of hosts and parasites, which will aid in developing methods to predict the temperature-dependence of disease.


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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/126017
Appears in Collections:气候减缓与适应

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作者单位: 1.Oakland Univ, Dept Biol Sci, Rochester, MI 48309 USA
2.Univ Pittsburgh, Dept Biol Sci, Pittsburgh, PA 15260 USA

Recommended Citation:
Altman, Karie A.,Raffel, Thomas R.. Thermal acclimation has little effect on tadpole resistance to Batrachochytrium dendrobatidis[J]. DISEASES OF AQUATIC ORGANISMS,2019-01-01,133(3):207-216
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