Advanced

Increased consumer fitness following transfer of toxin tolerance to offspring via maternal effects

Gustafsson, Susanne LU ; Rengefors, Karin LU and Hansson, Lars-Anders LU (2005) In Ecology 86(10). p.2561-2567
Abstract
Adaptations and, counteradaptations are common in coevolving predatorprey systems, but little is known of the role of maternal transfer of adaptive traits in mediating species interactions. Here, we focused on tolerance against cyanobacterial toxins and asked whether this tolerance was an induced defense developed during Daphnia's lifetime, whether it was a trait that is constantly expressed, and whether such tolerance to the toxin can be transferred to the next generation through maternal effects. These questions were addressed by feeding a single clone of Daphnia magna a diet with and without algal toxin and recording changes in fitness (as intrinsic rate of population increase). Analysis of F1, F2, and F3 generations revealed that the... (More)
Adaptations and, counteradaptations are common in coevolving predatorprey systems, but little is known of the role of maternal transfer of adaptive traits in mediating species interactions. Here, we focused on tolerance against cyanobacterial toxins and asked whether this tolerance was an induced defense developed during Daphnia's lifetime, whether it was a trait that is constantly expressed, and whether such tolerance to the toxin can be transferred to the next generation through maternal effects. These questions were addressed by feeding a single clone of Daphnia magna a diet with and without algal toxin and recording changes in fitness (as intrinsic rate of population increase). Analysis of F1, F2, and F3 generations revealed that the increased tolerance to toxic Microcystis was an inducible defense developed during an individual's lifetime, and that this trait could be transferred from mother to offspring. This maternal effect was expressed in several fitness parameters, including shorter time to maturity and first reproduction, and higher numbers of offspring compared to inexperienced individuals. In some circumstances, such maternal effects may increase population production by up to 40% and may help to stabilize material and energy transfer to higher trophic levels. (Less)
Please use this url to cite or link to this publication:
author
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Ecology
volume
86
issue
10
pages
2561 - 2567
publisher
Ecological Society of America
external identifiers
  • wos:000232361800002
  • scopus:26044456354
ISSN
0012-9658
DOI
10.1890/04-1710
language
English
LU publication?
yes
id
f808288d-8929-4557-8da0-06c00ca624e9 (old id 146443)
alternative location
http://www.esajournals.org/esaonline/?request=get-document&issn=0012-9658&volume=086&issue=10&page=2561
date added to LUP
2007-06-28 13:32:44
date last changed
2017-10-22 04:39:16
@article{f808288d-8929-4557-8da0-06c00ca624e9,
  abstract     = {Adaptations and, counteradaptations are common in coevolving predatorprey systems, but little is known of the role of maternal transfer of adaptive traits in mediating species interactions. Here, we focused on tolerance against cyanobacterial toxins and asked whether this tolerance was an induced defense developed during Daphnia's lifetime, whether it was a trait that is constantly expressed, and whether such tolerance to the toxin can be transferred to the next generation through maternal effects. These questions were addressed by feeding a single clone of Daphnia magna a diet with and without algal toxin and recording changes in fitness (as intrinsic rate of population increase). Analysis of F1, F2, and F3 generations revealed that the increased tolerance to toxic Microcystis was an inducible defense developed during an individual's lifetime, and that this trait could be transferred from mother to offspring. This maternal effect was expressed in several fitness parameters, including shorter time to maturity and first reproduction, and higher numbers of offspring compared to inexperienced individuals. In some circumstances, such maternal effects may increase population production by up to 40% and may help to stabilize material and energy transfer to higher trophic levels.},
  author       = {Gustafsson, Susanne and Rengefors, Karin and Hansson, Lars-Anders},
  issn         = {0012-9658},
  language     = {eng},
  number       = {10},
  pages        = {2561--2567},
  publisher    = {Ecological Society of America},
  series       = {Ecology},
  title        = {Increased consumer fitness following transfer of toxin tolerance to offspring via maternal effects},
  url          = {http://dx.doi.org/10.1890/04-1710},
  volume       = {86},
  year         = {2005},
}