Search Results - "Rheubert, Justin L"

Predicting antibacterial activity from snake venom proteomes by Rheubert, Justin L, Meyer, Michael F, Strobel, Raeshelle M, Pasternak, Megan A, Charvat, Robert A

“…The continued evolution of antibiotic resistance has increased the urgency for new antibiotic development, leading to exploration of non-traditional sources…”
Get full text

The Ultrastructure of Spermiogenesis Within the Seminiferous Epithelium of the Texas Horned Lizard, Phrynosoma cornutum (Phrynosomatidae) by Gribbins, Kevin M., Rajaguru, Sethmini, Rheubert, Justin L., Trauth, Stanley E.

“…ABSTRACT Currently, there is limited histological data for spermatid morphologies within the testes of squamates. There are only 10 species of lizard that have…”
Get full text

The testicular sperm ducts and genital kidney of male Ambystoma maculatum (Amphibia, Urodela, Ambystomatidae) by Siegel, Dustin S., Aldridge, Robert D., Rheubert, Justin L., Gribbins, Kevin M., Sever, David M., Trauth, Stanley E.

“…The ducts associated with sperm transport from the testicular lobules to the Wolffian ducts in Ambystoma maculatum were examined with transmission electron…”
Get full text

Heterophil/Lymphocyte Alterations as a Measure of Stress in American Alligators in Relation to Anthropogenic Disturbance in a Louisiana Intermediate Marsh by Murray, Christopher M, Rheubert, Justin L, Easter, Michael E, Merchant, Mark, Crother, Brian I

“…Numerous anthropogenic factors represent environmental threats to Gulf Coast wetland ecosystems and associated fauna. American alligators (Alligator…”
Get full text

Analysis of snake venom composition and antimicrobial activity by Charvat, Robert A., Strobel, Raeshelle M., Pasternak, Megan A., Klass, Sarah M., Rheubert, Justin L.

“…With the threat of a post-antibiotic era looming, the search for new and effective antibiotics from novel sources is imperative. Not only has crude snake venom…”
Get full text

External nasal gland morphology of Eurycea bislineata (Amphibia, Urodela, Plethodontidae) by Trame, Samantha D., Denova, Jacob R., Pereira, Kenzie E., McClelland, Sara J., Gribbins, Kevin M., Rheubert, Justin L., Siegel, Dustin S.

“…Plethodontid salamanders possess numerous courtship glands. Previous studies have shown that the glands are more prominent in male individuals than females,…”
Get full text

Methyltestosterone Alters Sex Determination in the American alligator ( Alligator mississippiensis ) by Murray, Christopher M, Easter, Michael, Merchant, Mark, Rheubert, Justin L, Wilson, Kelly A, Cooper, Amos, Mendonça, Mary, Wibbels, Thane, Marin, Mahmood Sasa, Guyer, Craig

“…Highlights • The influence of aquaculture hormones on vertebrates with TSD is untested. • Effects of methyltestosterone on alligator sexual differentiation are…”
Get full text

Ultrastructural analysis of spermiogenesis in the Eastern Fence Lizard, Sceloporus undulatus (Squamata: Phrynosomatidae) by Rheubert, Justin L., Sever, David M., Siegel, Dustin S., Gribbins, Kevin M.

“…•Sperm development includes acrosome development, nuclear condensation/elongation, and flagellar development.•The acrosome is differentiated including a…”
Get full text

Reproductive activity in males of Sceloporus variabilis: Little time to rest, long time to breed by Peña‐Herrera, Eric, Villagrán‐SantaCruz, Maricela, Hernández‐Gallegos, Oswaldo, Rheubert, Justin L., Gribbins, Kevin M., Granados‐González, Gisela

“…The reproductive activity of reptiles is typically assessed using monthly sampling. The spermatogenic cycle of Sceloporus variabilis was recently assessed…”
Get full text

Sperm storage in the viviparous lizard Sceloporus bicanthalis (Squamata: Phrynosomatidae), a species with continuous spermatogenesis by Villagrán-SantaCruz, Maricela, Mendoza-Cruz, Eva, Granados-González, Gisela, Rheubert, Justin L., Hernández-Gallegos, Oswaldo

“…Sceloporus bicanthalis inhabits the Nevado de Toluca, México, and the males exhibit continuous spermatogenesis with mature sperm available year round. Females…”
Get full text

Ultrastructural analysis of the mature spermatozoon in the copperhead, Agkistrodon contortrix (Linnaeus, 1766) by Rheubert, Justin L., Khan, Amanda, Vollmer, Erin, Helman, Abigail, Trauth, Stanley E., Gribbins, Kevin M.

“…Reptilian sperm morphology studies are continually increasing, and sperm biology is presently being utilized in other areas of study such as sexual selection,…”
Get full text

Spermatogenesis in Sceloporus variabilis (Squamata, Phrynosomatidae): A non‐quiescent pattern by Granados‐González, Gisela, Villagrán‐SantaCruz, Maricela, Peña‐Herrera, Eric, Rheubert, Justin L., Gribbins, Kevin M., Hernández‐Gallegos, Oswaldo

“…Gaining a deeper understanding of spermatogenic cycles within squamates has aided in our knowledge of the controls of reproduction and has bettered our…”
Get full text

Lack of spermatogenic variation in a polymorphic lizard, Sceloporus aeneus (Squamata: Phrynosomatidae) by Hernández‐Gallegos, Oswaldo, Granados‐González, Gisela, Rheubert, Justin L., Villagrán‐SantaCruz, Maricela, Peña‐Herrera, Eric, Gribbins, Kevin M.

“…Although different mechanisms exist to explain the presence of polymorphism in lizards, one model suggests that multiple morphotypes display the same level of…”
Get full text

Reproductive morphology of the male Tuatara, Sphenodon punctatus by Rheubert, Justin L., Cree, Alison, Downes, Matthew, Sever, David M.

“…Over the past decade, studies on reproductive morphology in the Squamata (snakes and lizards) have expanded tremendously. With the accumulation of these…”
Get full text

Observations on variation in the ultrastructure of the proximal testicular ducts of the ground skink, scincella lateralis (reptilia: Squamata) by Sever, David M., Rheubert, Justin L., Hill, Toren A., Siegel, Dustin S.

“…The North American Ground Skink, Scincella lateralis, is a member of the most speciose family of lizards, the Scincidae. The only descriptions of the…”
Get full text

Reproductive Biology of Sceloporus consobrinus (Phrynosomatidae): Male Germ Cell Development and Reproductive Cycle Comparisons within Spiny Lizards by Rheubert, Justin L, Touzinsky, Katherine, Sever, David M, Aldridge, Robert D, Wilmes, Anthony J, Siegel, Dustin S, Gribbins, Kevin M

“…Reproductive cycles of lizards have long been studied in both field and laboratory scenarios. However, comparisons of spermatogenic cycles and germ cell…”
Get full text

The sexual segment of hemidactylus turcicus and the evolution of sexual segment location in squamata by Rheubert, Justin L., Murray, Christopher M., Siegel, Dustin S., Babin, Johnathan, Sever, David M.

“…The kidneys of the Mediterranean Gecko, Hemidactylus turcicus (Gekkonidae), were investigated using light and electron microscopy with the primary focus placed…”
Get full text

Male reproductive cycle in Aspidoscelis costata costata (Squamata: Teiidae) from Tonatico, Estado de México, México by Granados-González, Gisela, Rheubert, Justin L., Villagrán-SantaCruz, Maricela, González-Herrera, María E., Dávila-Cedillo, Jessica V., Gribbins, Kevin M., Hernández-Gallegos, Oswaldo

“…The purpose of this study was to investigate the reproductive cycle of a high‐elevation population of Aspidoscelis costata costata (1500–1600 m) and compare…”
Get full text

Proximal Testicular Ducts of the Mediterranean Gecko (Hemidactylus turcicus) by Rheubert, Justin L., Sever, David M., Geheber, Aaron D., Siegel, Dustin S.

“…The efferent ducts of the Mediterranean Gecko, Hemidactylus turcicus (Gekkonidae) were investigated using light and electron microscopy. The seminiferous…”
Get full text

Observations on the Sexual Segment of the Kidney of Snakes with Emphasis on Ultrastructure in the Yellow-Bellied Sea Snake, Pelamis platurus by Sever, David M., Rheubert, Justin L., Gautreaux, Jillian, Hill, Toren G., Freeborn, Layla R.

“…The sexual segment of the kidney (SSK) is an accessory sex structure in male lizards and snakes (Squamata). We describe histology of the SSK in 12 species of…”
Get full text