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Article ; Online: Beyond A Vision for The Future: Tangible Steps To Engage Diverse Participants in Inclusive Field Experiences.

Verble, Robin M / Richards-Zawacki, Corinne L / Young, Vanessa K H

2023

Abstract: Recent strides toward improving diversity, equity, and inclusion (DEI) in field biology present a unique opportunity for transdisciplinary exploration of the impacts and state of a topic that has remained hereto largely underexplored and under-discussed ... ...

Abstract	Recent strides toward improving diversity, equity, and inclusion (DEI) in field biology present a unique opportunity for transdisciplinary exploration of the impacts and state of a topic that has remained hereto largely underexplored and under-discussed in the academic setting. Within current literature, themes of racial and gender inequity, power imbalances, unsafe environments, and underdeveloped infrastructure and resources are widespread. Thus, we organized a symposium that addressed these compelling issues in field biology DEI through a multitude of experiential and academic lenses. This article will orient the reader to the special issue and offer summative goals and outcomes of the symposium that can provide tangible steps toward creating meaningful improvements in the state of DEI and safety in field settings.
Language	English
Publishing date	2023-06-13
Publishing country	England
Document type	Journal Article
ZDB-ID	2159110-6
ISSN	1557-7023 ; 1540-7063
ISSN (online)	1557-7023
ISSN	1540-7063
DOI	10.1093/icb/icad063
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Article ; Online: Correction: The Amphibian Chytrid Fungus, Batrachochytrium dendrobatidis, in Fully Aquatic Salamanders from Southeastern North America.

Chatfield, Matthew W H / Moler, Paul / Richards-Zawacki, Corinne L

PloS one

2022 Volume 17, Issue 7, Page(s) e0271363

Abstract: This corrects the article DOI: 10.1371/journal.pone.0044821.]. ...

Abstract	[This corrects the article DOI: 10.1371/journal.pone.0044821.].
Language	English
Publishing date	2022-07-08
Publishing country	United States
Document type	Published Erratum
ZDB-ID	2267670-3
ISSN	1932-6203 ; 1932-6203
ISSN (online)	1932-6203
ISSN	1932-6203
DOI	10.1371/journal.pone.0271363
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Article: Effects of temperature on the interaction between amphibian skin bacteria and

Robak, Matthew J / Saenz, Veronica / de Cortie, Esmee / Richards-Zawacki, Corinne L

Frontiers in microbiology

2023 Volume 14, Page(s) 1253482

Abstract: Symbiotic relationships between animals and microbes are important for a range of functions, from digestion to protection from pathogens. However, the impact of temperature variation on these animal-microbe interactions remains poorly understood. ... ...

Abstract	Symbiotic relationships between animals and microbes are important for a range of functions, from digestion to protection from pathogens. However, the impact of temperature variation on these animal-microbe interactions remains poorly understood. Amphibians have experienced population declines and even extinctions on a global scale due to chytridiomycosis, a disease caused by chytrid fungi in the genus
Language	English
Publishing date	2023-10-24
Publishing country	Switzerland
Document type	Journal Article
ZDB-ID	2587354-4
ISSN	1664-302X
ISSN	1664-302X
DOI	10.3389/fmicb.2023.1253482
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Article ; Online: Selection and Admixture in a Polytypic Aposematic Frog.

Yeager, Justin / Derryberry, Graham E / Blum, Michael J / Richards-Zawacki, Corinne L

The American naturalist

2023 Volume 201, Issue 2, Page(s) 215–228

Abstract: AbstractPhenotypic differentiation within polytypic species is often attributed to selection, particularly when selection might be acting on a trait that serves as a signal for predator avoidance and mate choice. We evaluated this hypothesis by examining ...

Abstract	AbstractPhenotypic differentiation within polytypic species is often attributed to selection, particularly when selection might be acting on a trait that serves as a signal for predator avoidance and mate choice. We evaluated this hypothesis by examining phenotypic and genotypic clines between populations of the strawberry poison frog
MeSH term(s)	Humans ; Animals ; Anura/genetics ; Sexual Selection ; Phenotype ; Genotype ; Panama ; Selection, Genetic
Language	English
Publishing date	2023-01-05
Publishing country	United States
Document type	Journal Article
ZDB-ID	207092-3
ISSN	1537-5323 ; 0003-0147
ISSN (online)	1537-5323
ISSN	0003-0147
DOI	10.1086/722559
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Article ; Online: Developmental environment has lasting effects on amphibian post-metamorphic behavior and thermal physiology.

Ohmer, Michel E B / Hammond, Talisin T / Switzer, Samantha / Wantman, Trina / Bednark, Jeffery G / Paciotta, Emilie / Coscia, Jordan / Richards-Zawacki, Corinne L

The Journal of experimental biology

2023 Volume 226, Issue 9

Abstract: Environmental challenges early in development can result in complex phenotypic trade-offs and long-term effects on individual physiology, performance and behavior, with implications for disease and predation risk. We examined the effects of simulated ... ...

Abstract	Environmental challenges early in development can result in complex phenotypic trade-offs and long-term effects on individual physiology, performance and behavior, with implications for disease and predation risk. We examined the effects of simulated pond drying and elevated water temperatures on development, growth, thermal physiology and behavior in a North American amphibian, Rana sphenocephala. Tadpoles were raised in outdoor mesocosms under warming and drying regimes based on projected climatic conditions in 2070. We predicted that amphibians experiencing the rapid pond drying and elevated pond temperatures associated with climate change would accelerate development, be smaller at metamorphosis and demonstrate long-term differences in physiology and exploratory behavior post-metamorphosis. Although both drying and warming accelerated development and reduced survival to metamorphosis, only drying resulted in smaller animals at metamorphosis. Around 1 month post-metamorphosis, animals from the control treatment jumped relatively farther at high temperatures in jumping trials. In addition, across all treatments, frogs with shorter larval periods had lower critical thermal minima and maxima. We also found that developing under warming and drying resulted in a less exploratory behavioral phenotype, and that drying resulted in higher selected temperatures in a thermal gradient. Furthermore, behavior predicted thermal preference, with less exploratory animals selecting higher temperatures. Our results underscore the multi-faceted effects of early developmental environments on behavioral and physiological phenotypes later in life. Thermal preference can influence disease risk through behavioral thermoregulation, and exploratory behavior may increase risk of predation or pathogen encounter. Thus, climatic stressors during development may mediate amphibian exposure and susceptibility to predators and pathogens into later life stages.
MeSH term(s)	Animals ; Anura ; Metamorphosis, Biological/physiology ; Larva/physiology ; Ranidae/physiology ; Ponds
Language	English
Publishing date	2023-05-11
Publishing country	England
Document type	Journal Article ; Research Support, U.S. Gov't, Non-P.H.S.
ZDB-ID	218085-6
ISSN	1477-9145 ; 0022-0949
ISSN (online)	1477-9145
ISSN	0022-0949
DOI	10.1242/jeb.244883
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Article ; Online: Imprinting sets the stage for speciation.

Yang, Yusan / Servedio, Maria R / Richards-Zawacki, Corinne L

Nature

2019 Volume 574, Issue 7776, Page(s) 99–102

Abstract: Sexual imprinting-a phenomenon in which offspring learn parental traits and later use them as a model for their own mate preferences-can generate reproductive barriers between ... ...

Abstract	Sexual imprinting-a phenomenon in which offspring learn parental traits and later use them as a model for their own mate preferences-can generate reproductive barriers between species
MeSH term(s)	Aggression ; Animals ; Anura/anatomy & histology ; Anura/genetics ; Anura/physiology ; Costa Rica ; Female ; Gene Flow/genetics ; Genetic Speciation ; Genomic Imprinting ; Male ; Maternal Inheritance/genetics ; Mating Preference, Animal/physiology ; Nicaragua ; Panama ; Paternal Inheritance/genetics ; Polymorphism, Genetic ; Skin Pigmentation/genetics
Language	English
Publishing date	2019-10-02
Publishing country	England
Document type	Journal Article ; Research Support, Non-U.S. Gov't ; Research Support, U.S. Gov't, Non-P.H.S.
ZDB-ID	120714-3
ISSN	1476-4687 ; 0028-0836
ISSN (online)	1476-4687
ISSN	0028-0836
DOI	10.1038/s41586-019-1599-z
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Article: (with research data) Temperature-Dependent Effects of Cutaneous Bacteria on a Frog's Tolerance of Fungal Infection.

Robak, Matthew J / Richards-Zawacki, Corinne L

Frontiers in microbiology

2018 Volume 9, Page(s) 410

Abstract: Defense against pathogens is one of many benefits that bacteria provide to animal hosts. A clearer understanding of how changes in the environment affect the interactions between animals and their microbial benefactors is needed in order to predict the ... ...

Abstract	Defense against pathogens is one of many benefits that bacteria provide to animal hosts. A clearer understanding of how changes in the environment affect the interactions between animals and their microbial benefactors is needed in order to predict the impact and dynamics of emerging animal diseases. Due to its dramatic effects on the physiology of animals and their pathogens, temperature may be a key variable modulating the level of protection that beneficial bacteria provide to their animal hosts. Here we investigate how temperature and the makeup of the skin microbial community affect the susceptibility of amphibian hosts to infection by
Language	English
Publishing date	2018-03-07
Publishing country	Switzerland
Document type	Journal Article
ZDB-ID	2587354-4
ISSN	1664-302X
ISSN	1664-302X
DOI	10.3389/fmicb.2018.00410
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Article: Whole exome sequencing identifies the potential for genetic rescue in iconic and critically endangered Panamanian harlequin frogs

Byrne, Allison Q / Richards‐Zawacki, Corinne L / Voyles, Jamie / Bi, Ke / Ibáñez, Roberto / Rosenblum, Erica Bree

Global change biology. 2021 Jan., v. 27, no. 1

2021

Abstract: Avoiding extinction in a rapidly changing environment often relies on a species’ ability to quickly adapt in the face of extreme selective pressures. In Panamá, two closely related harlequin frog species (Atelopus varius and Atelopus zeteki) are ... ...

Abstract	Avoiding extinction in a rapidly changing environment often relies on a species’ ability to quickly adapt in the face of extreme selective pressures. In Panamá, two closely related harlequin frog species (Atelopus varius and Atelopus zeteki) are threatened with extinction due to the fungal pathogen Batrachochytrium dendrobatidis (Bd). Once thought to be nearly extirpated from Panamá, A. varius have recently been rediscovered in multiple localities across their historical range; however, A. zeteki are possibly extinct in the wild. By leveraging a unique collection of 186 Atelopus tissue samples collected before and after the Bd outbreak in Panama, we describe the genetics of persistence for these species on the brink of extinction. We sequenced the transcriptome and developed an exome‐capture assay to sequence the coding regions of the Atelopus genome. Using these genetic data, we evaluate the population genetic structure of historical A. varius and A. zeteki populations, describe changes in genetic diversity over time, assess the relationship between contemporary and historical individuals, and test the hypothesis that some A. varius populations have rapidly evolved to resist or tolerate Bd infection. We found a significant decrease in genetic diversity in contemporary (compared to historical) A. varius populations. We did not find strong evidence of directional allele frequency change or selection for Bd resistance genes, but we uncovered a set of candidate genes that warrant further study. Additionally, we found preliminary evidence of recent migration and gene flow in one of the largest persisting A. varius populations in Panamá, suggesting the potential for genetic rescue in this system. Finally, we propose that previous conservation units should be modified, as clear genetic breaks do not exist beyond the local population level. Our data lay the groundwork for genetically informed conservation and advance our understanding of how imperiled species might be rescued from extinction.
Keywords	Atelopus zeteki ; Batrachochytrium dendrobatidis ; extinction ; frogs ; fungi ; gene flow ; gene frequency ; genetic rescue ; genetic structure ; genetic variation ; global change ; pathogens ; threatened species ; transcriptome ; Panama
Language	English
Dates of publication	2021-01
Size	p. 50-70.
Publishing place	John Wiley & Sons, Ltd
Document type	Article
Note	NAL-AP-2-clean ; JOURNAL ARTICLE
ZDB-ID	1281439-8
ISSN	1365-2486 ; 1354-1013
ISSN (online)	1365-2486
ISSN	1354-1013
DOI	10.1111/gcb.15405
Database	NAL-Catalogue (AGRICOLA)

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Article ; Online: Host species is linked to pathogen genotype for the amphibian chytrid fungus (Batrachochytrium dendrobatidis).

Byrne, Allison Q / Waddle, Anthony W / Saenz, Veronica / Ohmer, Michel / Jaeger, Jef R / Richards-Zawacki, Corinne L / Voyles, Jamie / Rosenblum, Erica Bree

PloS one

2022 Volume 17, Issue 3, Page(s) e0261047

Abstract: Host-pathogen specificity can arise from certain selective environments mediated by both the host and pathogen. Therefore, understanding the degree to which host species identity is correlated with pathogen genotype can help reveal historical host- ... ...

Abstract	Host-pathogen specificity can arise from certain selective environments mediated by both the host and pathogen. Therefore, understanding the degree to which host species identity is correlated with pathogen genotype can help reveal historical host-pathogen dynamics. One animal disease of particular concern is chytridiomycosis, typically caused by the global panzootic lineage of the amphibian chytrid fungus (Batrachochytrium dendrobatidis, Bd), termed Bd-GPL. This pathogen lineage has caused devastating declines in amphibian communities around the world. However, the site of origin for the common ancestor of modern Bd-GPL and the fine-scale transmission dynamics of this lineage have remained a mystery. This is especially the case in North America where Bd-GPL is widespread, but disease outbreaks occur sporadically. Herein, we use Bd genetic data collected throughout the United States from amphibian skin swabs and cultured isolate samples to investigate Bd genetic patterns. We highlight two case studies in Pennsylvania and Nevada where Bd-GPL genotypes are strongly correlated with host species identity. Specifically, in some localities bullfrogs (Rana catesbeiana) are infected with Bd-GPL lineages that are distinct from those infecting other sympatric amphibian species. Overall, we reveal a previously unknown association of Bd genotype with host species and identify the eastern United States as a Bd diversity hotspot and potential site of origin for Bd-GPL.
MeSH term(s)	Amphibians/microbiology ; Animals ; Batrachochytrium ; Chytridiomycota/genetics ; Genotype ; Mycoses/microbiology ; Rana catesbeiana/microbiology ; United States
Language	English
Publishing date	2022-03-14
Publishing country	United States
Document type	Journal Article ; Research Support, Non-U.S. Gov't ; Research Support, U.S. Gov't, Non-P.H.S.
ZDB-ID	2267670-3
ISSN	1932-6203 ; 1932-6203
ISSN (online)	1932-6203
ISSN	1932-6203
DOI	10.1371/journal.pone.0261047
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Article ; Online: Are novel or locally adapted pathogens more devastating and why? Resolving opposing hypotheses.

Sauer, Erin L / Venesky, Matthew D / McMahon, Taegan A / Cohen, Jeremy M / Bessler, Scott / Brannelly, Laura A / Brem, Forrest / Byrne, Allison Q / Halstead, Neal / Hyman, Oliver / Johnson, Pieter T J / Richards-Zawacki, Corinne L / Rumschlag, Samantha L / Sears, Brittany / Rohr, Jason R

Ecology letters

2024 Volume 27, Issue 5, Page(s) e14431

Abstract: There is a rich literature highlighting that pathogens are generally better adapted to infect local than novel hosts, and a separate seemingly contradictory literature indicating that novel pathogens pose the greatest threat to biodiversity and public ... ...

Abstract	There is a rich literature highlighting that pathogens are generally better adapted to infect local than novel hosts, and a separate seemingly contradictory literature indicating that novel pathogens pose the greatest threat to biodiversity and public health. Here, using Batrachochytrium dendrobatidis, the fungus associated with worldwide amphibian declines, we test the hypothesis that there is enough variance in "novel" (quantified by geographic and phylogenetic distance) host-pathogen outcomes to pose substantial risk of pathogen introductions despite local adaptation being common. Our continental-scale common garden experiment and global-scale meta-analysis demonstrate that local amphibian-fungal interactions result in higher pathogen prevalence, pathogen growth, and host mortality, but novel interactions led to variable consequences with especially virulent host-pathogen combinations still occurring. Thus, while most pathogen introductions are benign, enough variance exists in novel host-pathogen outcomes that moving organisms around the planet greatly increases the chance of pathogen introductions causing profound harm.
MeSH term(s)	Animals ; Host-Pathogen Interactions ; Batrachochytrium/genetics ; Batrachochytrium/physiology ; Anura/microbiology ; Amphibians/microbiology ; Mycoses/veterinary ; Mycoses/microbiology ; Adaptation, Physiological ; Phylogeny
Language	English
Publishing date	2024-05-07
Publishing country	England
Document type	Journal Article ; Research Support, U.S. Gov't, Non-P.H.S. ; Research Support, Non-U.S. Gov't ; Meta-Analysis
ZDB-ID	1441608-6
ISSN	1461-0248 ; 1461-023X
ISSN (online)	1461-0248
ISSN	1461-023X
DOI	10.1111/ele.14431
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