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Bioinformatics Resources for the Study of Glycan-Mediated Protein Interactions

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Published on: January 20, 2022

Resources mediate selection on module longevity in the field.

Karin Svanfeldt¹, Keyne Monro¹, Dustin J Marshall¹

¹Centre for Geometric Biology/School of Biological Sciences, Monash University, Melbourne, Vic., Australia.

Journal of Evolutionary Biology

|August 4, 2018

Summary

This summary is machine-generated.

Selection impacts module longevity in sessile marine invertebrates, with stronger effects observed under high competition or abundant resources. This context-dependent selection may maintain variation in module longevity.

Keywords:

colonial organisms competition marine invertebrates modularity senescence zooid lifetime

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Area of Science:

Ecology
Evolutionary Biology
Marine Biology

Background:

Organismal life histories are complex, with selection acting at both individual and modular levels.
Modular organisms exhibit independent growth, reproduction, and death of individual modules.
Module longevity selection remains under-investigated, particularly in marine invertebrates.

Purpose of the Study:

To investigate if selection acts on module longevity in sessile marine invertebrates.
To determine if selection on module longevity varies across successional gradients and resource availability.

Main Methods:

Two field experiments were conducted on a sessile marine invertebrate.
Module longevity was assessed under varying environmental conditions, including competition and resource levels.

Main Results:

Selection demonstrably acts on module longevity.
The strength of selection on module longevity is contingent on environmental factors.
High interspecific competition and high food availability with low flow rate favored longer zooid longevity.

Conclusions:

Selection on module longevity is context-dependent in sessile marine invertebrates.
Findings offer partial support for module longevity theory developed in plants.
Context-dependent selection likely contributes to the maintenance of variation in module longevity within this system.