scholarly journals Correlated evolution of self and interspecific incompatibility across the range of a Texas wildflower

2018 ◽  
Vol 221 (1) ◽  
pp. 553-564 ◽  
Author(s):  
Federico Roda ◽  
Robin Hopkins
Keyword(s):  
Correlated Evolution ◽  
Interspecific Incompatibility

Role of Pollen-Wall Proteins as Recognition Substances in Interspecific Incompatibility in Poplars

Nature ◽  
1972 ◽  
Vol 237 (5355) ◽  
pp. 381-383 ◽  
Author(s):  
R. B. KNOX ◽  
R. R. WILLING ◽  
ANNE E. ASHFORD
Keyword(s):  
Pollen Wall ◽  
Interspecific Incompatibility

Correlated evolution between coloration and ambush site in predators with visual prey lures

Evolution ◽  
2017 ◽  
Vol 71 (8) ◽  
pp. 2010-2021 ◽  
Author(s):  
Felipe M. Gawryszewski ◽  
Miguel A. Calero-Torralbo ◽  
Rosemary G. Gillespie ◽  
Miguel A. Rodríguez-Gironés ◽  
Marie E. Herberstein
Keyword(s):  
Correlated Evolution

scholarly journals Genome size correlates with reproductive fitness in seed beetles

2015 ◽  
Vol 282 (1815) ◽  
pp. 20151421 ◽  
Author(s):  
Göran Arnqvist ◽  
Ahmed Sayadi ◽  
Elina Immonen ◽  
Cosima Hotzy ◽  
Daniel Rankin ◽  
...  
Keyword(s):  
Life History ◽  
Natural Selection ◽  
Genome Size ◽  
Evolutionary Biology ◽  
Large Scale ◽  
Life History Traits ◽  
Single Species ◽  
Reproductive Fitness ◽  
Correlated Evolution ◽  
Seed Beetles

The ultimate cause of genome size (GS) evolution in eukaryotes remains a major and unresolved puzzle in evolutionary biology. Large-scale comparative studies have failed to find consistent correlations between GS and organismal properties, resulting in the ‘ C -value paradox’. Current hypotheses for the evolution of GS are based either on the balance between mutational events and drift or on natural selection acting upon standing genetic variation in GS. It is, however, currently very difficult to evaluate the role of selection because within-species studies that relate variation in life-history traits to variation in GS are very rare. Here, we report phylogenetic comparative analyses of GS evolution in seed beetles at two distinct taxonomic scales, which combines replicated estimation of GS with experimental assays of life-history traits and reproductive fitness. GS showed rapid and bidirectional evolution across species, but did not show correlated evolution with any of several indices of the relative importance of genetic drift. Within a single species, GS varied by 4–5% across populations and showed positive correlated evolution with independent estimates of male and female reproductive fitness. Collectively, the phylogenetic pattern of GS diversification across and within species in conjunction with the pattern of correlated evolution between GS and fitness provide novel support for the tenet that natural selection plays a key role in shaping GS evolution.

scholarly journals Correlated Evolution of Two Copulatory Organs via a Single cis-Regulatory Nucleotide Change

2018 ◽  
Vol 28 (21) ◽  
pp. 3450-3457.e13 ◽  
Author(s):  
Olga Nagy ◽  
Isabelle Nuez ◽  
Rosina Savisaar ◽  
Alexandre E. Peluffo ◽  
Amir Yassin ◽  
...  
Keyword(s):  
Nucleotide Change ◽  
Correlated Evolution

Unilateral incompatibility and the effects of interspecific pollination for Erythronium americanum and Erythronium albidum (Liliaceae)

1993 ◽  
Vol 71 (2) ◽  
pp. 353-358 ◽  
Author(s):  
Lawrence D. Harder ◽  
Mitchell B. Cruzan ◽  
James D. Thomson
Keyword(s):  
Seed Production ◽  
Pollen Tubes ◽  
The Self ◽  
Pollen Transfer ◽  
Interspecific Incompatibility ◽  
Unilateral Incompatibility ◽  
Heterospecific Pollen ◽  
Interspecific Pollen Transfer ◽  
Erythronium Americanum ◽  
Incompatibility Reaction

To determine whether interspecific pollen transfer could reduce seed production by two sympatric lilies, Erythronium albidum and Erythronium americanum, we hand-pollinated flowers with mixtures of conspecific and heterospecific pollen. These species exhibited typical unilateral interspecific incompatibility, i.e., pollen tubes from the self-infertile species (E. americanum) grew apparently unimpeded in styles of the self-fertile species (E. albidum), whereas the reverse cross resulted in an incompatibility reaction. Because of this asymmetrical relation and faster growth by heterospecific pollen tubes in E. albidum stigmas than by conspecific tubes, pollination with abundant heterospecific pollen reduced fruit and seed production by E. albidum, but not by E. americanum, as long as the stigma also received some conspecific pollen. Unilateral incompatibility could benefit self-infertile species in reproductive interactions with closely related self-fertile species; however, this benefit remains to be demonstrated for naturally pollinated plants. Key words: Erythronium albidum, Erythronium americanum, interspecific pollen transfer, pollination, unilateral incompatibility.

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