scholarly journals Development of a Genotyping Protocol for Mojave Desert Tortoise Scat

2019 ◽  
Vol 18 (2) ◽  
pp. 123
Author(s):  
Anna Mitelberg ◽  
Amy G. Vandergast ◽  
Ken E. Nussear ◽  
Kirsten Dutcher ◽  
Todd C. Esque
Keyword(s):  
Mojave Desert ◽  
Desert Tortoise ◽  
Mojave Desert Tortoise

scholarly journals Improved draft of the Mojave Desert tortoise genome, Gopherus agassizii, version 1.1

2017 ◽  
Author(s):  
Timothy H Webster ◽  
Greer A. Dolby ◽  
Melissa Wilson Sayres ◽  
Kenro Kusumi
Keyword(s):  
Threatened Species ◽  
Mojave Desert ◽  
Gene Annotation ◽  
Draft Genome ◽  
Gopherus Agassizii ◽  
Desert Tortoise ◽  
Draft Genome Assembly ◽  
Initial Release ◽  
Exogenous Sequence ◽  
Mojave Desert Tortoise

Exogenous sequence contamination presents a challenge in first-draft genomes because it can lead to non-contiguous, chimeric assembled sequences. This can mislead downstream analyses reliant on synteny, such as linkage-based analyses. Recently, the Mojave Desert Tortoise (Gopherus agassizii) draft genome was published as a resource to advance conservation efforts for the threatened species and discover more about chelonian biology and evolution. Here, we illustrate steps taken to improve the desert tortoise draft genome by removing contaminating sequences—actions that are typically carried out after the initial release of a draft genome assembly. We used information from NCBI’s Vecscreen output to remove intra-scaffold contamination and trim heading and trailing Ns. We then reordered and renamed scaffolds, and transferred the gene annotation onto this assembly. Finally, we describe the tools developed for this pipeline, freely available on Github (https://github.com/thw17/G_agassizii_reference_update), which facilitate post-assembly processing of other draft genomes. The new gopAga1.1 genome has an N50 of 251 KB, L50 of 2592 scaffolds, and its annotation retains 17,201 of the original 20,172 genes that were unaffected by the scaffold processing.

scholarly journals Improved draft of the Mojave Desert tortoise genome, Gopherus agassizii, version 1.1

2018 ◽  
Author(s):  
Timothy H Webster ◽  
Greer A Dolby ◽  
Melissa A Wilson Sayres ◽  
Kenro Kusumi
Keyword(s):  
Threatened Species ◽  
Mojave Desert ◽  
Gene Annotation ◽  
Draft Genome ◽  
Gopherus Agassizii ◽  
Desert Tortoise ◽  
Draft Genome Assembly ◽  
Initial Release ◽  
Exogenous Sequence ◽  
Mojave Desert Tortoise

Exogenous sequence contamination presents a challenge in first-draft genomes because it can lead to non-contiguous, chimeric assembled sequences. This can mislead downstream analyses reliant on synteny, such as linkage-based analyses. Recently, the Mojave Desert Tortoise (Gopherus agassizii) draft genome was published as a resource to advance conservation efforts for the threatened species and discover more about chelonian biology and evolution. Here, we illustrate steps taken to improve the desert tortoise draft genome by removing contaminating sequences—actions that are typically carried out after the initial release of a draft genome assembly. We used information from NCBI’s Vecscreen output to remove intra-scaffold contamination and trim heading and trailing Ns. We then reordered and renamed scaffolds, and transferred the gene annotation onto this assembly. Finally, we describe the tools developed for this pipeline, freely available on Github (https://github.com/thw17/G_agassizii_reference_update), which facilitate post-assembly processing of other draft genomes. The new gopAga1.1 genome has an N50 of 251 kb, L50 of 2592 scaffolds, and its annotation retains 17,201 of the original 20,172 genes that were unaffected by the scaffold processing.

scholarly journals Discriminating patterns and drivers of multiscale movement in herpetofauna: The dynamic and changing environment of the Mojave desert tortoise

2017 ◽  
Vol 7 (17) ◽  
pp. 7010-7022 ◽  
Author(s):  
Giancarlo Sadoti ◽  
Miranda E. Gray ◽  
Matthew L. Farnsworth ◽  
Brett G. Dickson
Keyword(s):  
Mojave Desert ◽  
Desert Tortoise ◽  
Changing Environment ◽  
Mojave Desert Tortoise

scholarly journals Immune and sex-biased gene expression in the threatened Mojave desert tortoise, Gopherus agassizii

PLoS ONE ◽  
2020 ◽  
Vol 15 (8) ◽  
pp. e0238202
Author(s):  
Cindy Xu ◽  
Greer A. Dolby ◽  
K. Kristina Drake ◽  
Todd C. Esque ◽  
Kenro Kusumi
Keyword(s):  
Gene Expression ◽  
Mojave Desert ◽  
Gopherus Agassizii ◽  
Desert Tortoise ◽  
Mojave Desert Tortoise

scholarly journals Mojave desert tortoise (Gopherus agassizii) thermal ecology and reproductive success along a rainfall cline

2015 ◽  
Vol 10 (3) ◽  
pp. 282-294 ◽  
Author(s):  
Annette E. SIEG ◽  
Megan M. GAMBONE ◽  
Bryan P. WALLACE ◽  
Susana CLUSELLA-TRULLAS ◽  
James R. SPOTILA ◽  
...  
Keyword(s):  
Reproductive Success ◽  
Mojave Desert ◽  
Thermal Ecology ◽  
Gopherus Agassizii ◽  
Desert Tortoise ◽  
Mojave Desert Tortoise

scholarly journals A range‐wide model of contemporary, omnidirectional connectivity for the threatened Mojave desert tortoise

Ecosphere ◽  
2019 ◽  
Vol 10 (9) ◽  
Author(s):  
Miranda E. Gray ◽  
Brett G. Dickson ◽  
Kenneth E. Nussear ◽  
Todd C. Esque ◽  
Tony Chang
Keyword(s):  
Mojave Desert ◽  
Desert Tortoise ◽  
Mojave Desert Tortoise
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