Andrea L Sweigart
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Explore the profile of Andrea L Sweigart including associated specialties, affiliations and a list of published articles.
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Recent Articles
11.
Sandstedt G, Wu C, Sweigart A
Evolution
. 2020 Oct;
75(3):600-613.
PMID: 33044006
Species are often defined by their ability to interbreed (i.e., Biological Species Concept), but determining how and why reproductive isolation arises between new species can be challenging. In the Mimulus...
12.
Kerwin R, Sweigart A
Mol Biol Evol
. 2020 Mar;
37(7):2084-2098.
PMID: 32196085
Divergence in gene expression regulation is common between closely related species and may give rise to incompatibilities in their hybrid progeny. In this study, we investigated the relationship between regulatory...
13.
Mantel S, Sweigart A
Ecol Evol
. 2019 Oct;
9(18):10291-10304.
PMID: 31632643
Differential adaptation to local environmental conditions is thought to be an important driver of speciation. Plants, whose sedentary lifestyle necessitates fine-tuned adaptation to edaphic conditions such as water availability, are...
14.
Sweigart A, Brandvain Y, Fishman L
Trends Genet
. 2019 Mar;
35(4):245-252.
PMID: 30826132
Recent molecular investigations of hybrid incompatibilities have revealed fascinating patterns of genetic interactions that have been interpreted as the remnants of a history of selfish evolution. Instead of framing hybrid...
15.
Zuellig M, Sweigart A
Evolution
. 2018 Sep;
72(11):2394-2405.
PMID: 30194757
Reproductive isolation, which is essential for the maintenance of species in sympatry, is often incomplete between closely related species. In these taxa, reproductive barriers must evolve within species, without being...
16.
Zuellig M, Sweigart A
PLoS Genet
. 2018 Apr;
14(4):e1007130.
PMID: 29649209
Hybrid incompatibilities play a critical role in the evolution and maintenance of species. We have discovered a simple genetic incompatibility that causes lethality in hybrids between two closely related species...
17.
Fishman L, Sweigart A
Annu Rev Plant Biol
. 2018 Mar;
69:707-731.
PMID: 29505737
Hybrids between flowering plant species often exhibit reduced fitness, including sterility and inviability. Such hybrid incompatibilities create barriers to genetic exchange that can promote reproductive isolation between diverging populations and,...
18.
Kerwin R, Sweigart A
G3 (Bethesda)
. 2017 Sep;
7(11):3719-3730.
PMID: 28935753
Hybrid incompatibilities are a common correlate of genomic divergence and a potentially important contributor to reproductive isolation. However, we do not yet have a detailed understanding of how hybrid incompatibility...
19.
Kenney A, Sweigart A
Mol Ecol
. 2016 Apr;
25(11):2499-517.
PMID: 27038381
Incompletely isolated species provide an opportunity to investigate the genetic mechanisms and evolutionary forces that maintain distinct species in the face of ongoing gene flow. Here, we use field surveys...
20.
Garner A, Kenney A, Fishman L, Sweigart A
New Phytol
. 2016 Mar;
211(1):319-31.
PMID: 26924810
In flowering plants, F1 hybrid seed lethality is a common outcome of crosses between closely related diploid species, but the genetic basis of this early-acting and potentially widespread form of...