Are Mutualisms Maintained by Host Sanctions or Partner Fidelity
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Citation
Weyl, E. Glen, Megan E. Frederickson, Douglas W. Yu, and
Naomi E. Pierce. Forthcoming. Are mutualisms maintained by host
sanctions or partner fidelity feedback? Proceedings of the National
Academy of Sciences.
Published Version
http://www.pnas.org/
Accessed
June 16, 2017 5:03:41 AM EDT
Citable Link
http://nrs.harvard.edu/urn-3:HUL.InstRepos:4726200
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32b1c12cb1f4cb4563a87f6ac4467806
Weyl, Eric Glen
Frederickson, Megan E.
Yu, Douglas W.
a7a5aef5c104a39403e9dd38ca17c8ea
Pierce, Naomi
Ellen
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Are Mutualisms Maintained
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Weyl, E. Glen, Megan E.
Frederickson, Douglas W.
Yu, and Naomi E. Pierce.
Forthcoming. Are
mutualisms maintained
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contract theory
mutualism
symbiosis
evolution of cooperation
punishment
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Although mutualisms are
common in all ecological
communities and have
played key roles in the
diversification of life, our
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current understanding of
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the evolution
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mostly to social behavior
within aenter
species.
A central
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a link
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question is whether
http://www3.interscience.wiley.com/journal/117997259/abstract,
mutualisms persist
http://dx.doi.org/10.1111/j.1468-0068.2007.00636.x.
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because hosts have
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punishment of cheaters.
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formulate
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two mechanisms
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that have been proposed
http://www.thecrimson.com/article.aspx?ref=521835.
to prevent cheating in
Waiver
(optional):
host-symbiont
mutualisms, Partner
Fidelity Feedback (PFF)
and Host Sanctions (HS).
Year(YYYY)
Under PFF, positive
Month
feedback between host
fitness and symbiont
Day(DD)
fitness is sufficient to
prevent cheating; in
contrast,
posits
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which a waiver to the open-access policy was granted.
necessity of costly
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punishment to maintain
mutualism.
A
--Choose One-What version of the article is this, relative to its place in the
coevolutionary model of
publishing
lifecycle
mutualism finds
that HSor workflow.
are
unlikely
to
evolve
de
Type or Genre (recommended):
novo, and published data
--Choose
One-- and
The general nature of the material in this submission, or the
on
legume-rhizobia
yucca-moth
mutualisms
purpose it serves.
are consistent with PFF
and not HS. Thus, in
systems
considered
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textbook cases of HS, we
find poor support for the
theory that hosts have
evolved to punish
cheating symbionts;
instead, we show that
even horizontally
transmitted mutualisms
can be stabilized via PFF.
PFF theory may place
previously
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