NDLI: Mother knows best, even when stressed? Effects of maternal exposure to a stressor on offspring performance at different life stages in a wild semelparous fish

Content Provider	Springer Nature Link
Author	Sopinka, N. M. Hinch, S. G. Middleton, C. T. Hills, J. A. Patterson, D. A.
Copyright Year	2014
Abstract	The environment mothers are exposed to has resonating effects on offspring performance. In iteroparous species, maternal exposure to stressors generally results in offspring ill-equipped for survival. Still, opportunities for future fecundity can offset low quality offspring. Little is known, however, as to how intergenerational effects of stress manifest in semelparous species with only a single breeding episode. Such mothers would suffer a total loss of fitness if offspring cannot survive past multiple life stages. We evaluated whether chronic exposure of female sockeye salmon (Oncorhynchus nerka) to a chase stressor impaired offspring performance traits. Egg size and early offspring survival were not influenced by maternal exposure to the repeated acute stressor. Later in development, fry reared from stressed mothers swam for shorter periods of time but possessed a superior capacity to re-initiate bouts of burst swimming. In contrast to iteroparous species, the mechanisms driving the observed effects do not appear to be related to cortisol, as egg hormone concentrations did not vary between stressed and undisturbed mothers. Sockeye salmon appear to possess buffering strategies that protect offspring from deleterious effects of maternal stress that would otherwise compromise progeny during highly vulnerable stages of development. Whether stressed sockeye salmon mothers endow offspring with traits that are matched or mismatched for survival in the unpredictable environment they encountered is discussed. This study highlights the importance of examining intergenerational effects among species-specific reproductive strategies, and across offspring life history to fully determine the scope of impact of maternal stress.
Starting Page	493
Ending Page	500
Page Count	8
File Format	PDF
ISSN	00298549
Journal	Oecologia
Volume Number	175
Issue Number	2
e-ISSN	14321939
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2014-03-12
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Burst swimming Egg cortisol Intergenerational effects Sockeye salmon Oncorhynchus nerka Ecology Plant Sciences Hydrology/Water Resources
Content Type	Text
Resource Type	Article
Subject	Ecology, Evolution, Behavior and Systematics

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

Mother knows best, even when stressed? Effects of maternal exposure to a stressor on offspring performance at different life stages in a wild semelparous fish

Intergenerational effects: freshwater migration experience of adult sockeye salmon (oncorhynchus nerka) and offspring fitness.

Does maternal captivity of wild, migratory sockeye salmon influence offspring performance?

Transgenerational effects of stress in sockeye salmon (oncorhynchus nerka) on offspring fertilization success and embryonic survival by (2012).

Effects of maternal oxidative stress and gametic cortisol exposure on Fraser River sockeye salmon (Oncorhynchus nerka) offspring

Involvement of sex steroids, luteinizing hormone and thyroid hormones in upstream and downstream swimming behavior of land-locked sockeye salmon Oncorhynchus nerka

Transgenerational effects of stress in sockeye salmon (Oncorhynchus nerka) on offspring fertilization success and embryonic survival

Temperature effects on swimming performance, energetics, and aerobic capacities of mature adult pink salmon (Oncorhynchus gorbuscha) compared with those of sockeye salmon (Oncorhynchus nerka)

Concurrent Natural and Sexual Selection in Wild Male Sockeye Salmon, Oncorhynchus Nerka

Mother knows best, even when stressed? Effects of maternal exposure to a stressor on offspring performance at different life stages in a wild semelparous fish

Similar Documents

Mother knows best, even when stressed? Effects of maternal exposure to a stressor on offspring performance at different life stages in a wild semelparous fish

Intergenerational effects: freshwater migration experience of adult sockeye salmon (oncorhynchus nerka) and offspring fitness.

Does maternal captivity of wild, migratory sockeye salmon influence offspring performance?

Transgenerational effects of stress in sockeye salmon (oncorhynchus nerka) on offspring fertilization success and embryonic survival by (2012).

Effects of maternal oxidative stress and gametic cortisol exposure on Fraser River sockeye salmon (Oncorhynchus nerka) offspring

Involvement of sex steroids, luteinizing hormone and thyroid hormones in upstream and downstream swimming behavior of land-locked sockeye salmon Oncorhynchus nerka

Transgenerational effects of stress in sockeye salmon (Oncorhynchus nerka) on offspring fertilization success and embryonic survival

Temperature effects on swimming performance, energetics, and aerobic capacities of mature adult pink salmon (Oncorhynchus gorbuscha) compared with those of sockeye salmon (Oncorhynchus nerka)

Concurrent Natural and Sexual Selection in Wild Male Sockeye Salmon, Oncorhynchus Nerka

Mother knows best, even when stressed? Effects of maternal exposure to a stressor on offspring performance at different life stages in a wild semelparous fish