Kojima LV, Kohl M, Rainwater TR, Parrott BB, Tuberville T. Environmental contaminant bioaccumulation is associated with movement behavior in a long-lived apex predator. 2024. Science of the Total Environment In Press
Smaga CR, Bock SL, Johnson JM, Rainwater TR, Singh R, Deem V, Letter A, Brunell A, Parrott BB. The influence of incubation temperature on offspring traits varies across northern and southern populations of the American alligator (Alligator mississippiensis). 2024. Ecology & EvolutionIn Press
Bertucci-Richter EM, Shealy EP, Parrott BB. Age related disorder in DNA methylation patterns underlies epigenetic clock signals, but displays distinct responses to epigenetic rejuvenation events. 2024. AgingIn Press
2023
Bertucci-Richter EM, Parrott BB. The rate of epigenetic drift scales with maximum lifespan across mammals. 2023. Nature Communications 14:7731
Bock SL, Loera Y, Johnson JM, Smaga CR, Haskins DL, Tuberville TD, Singh R, Rainwater TR, Wilkinson PM, Parrott BB. Differential early-life survival contributes to the adaptive significance of temperature-dependent sex determination in a long-lived reptile. 2023. Functional Ecology In Press
Johnson JM, Bock SL, Smaga CR, Parrott BB. Maternal provisioning interacts with incubation temperature to affect hatchling mercury exposure in an oviparous reptile. 2023. Biology Letters 19:20230097
Rogerson G, Bock SL, Loera Y, Parrott BB, Mulley J. Incubation temperature alters stripe formation and head colouration in American alligator hatchlings and is unaffected by E2-induced sex reversal. 2023. Journal of Experimental Biology 226:1-6
Johnson JM, Bock SL, Smaga CR, Lambert MR, Rainwater TR, Wilkinson PM, Parrott BB. Relationships between maternally-transferred mercury and hatchling development, behavior, and survival in the American alligator (Alligator mississippiensis). 2023. Science of the Total Environment 870:162010
Gardner S, Bertucci EM, Sutton R, Horcher A, Aubrey D, Parrott BB. Development of DNA methylation-based epigenetic age predictors in Loblolly pine (Pinus taeda). 2023. Molecular Ecology Resources 23(1):131-144
2022
Kojima LV, Tuberville TD, Parrott BB. Integrating mercury concentrations in American alligators (Alligator mississippiensis) with hunter consumption surveys to estimate exposure risk. 2022. Environmental Toxicology & Chemistry 43(2):525-534
Mason MW, Parrott BB. Acute copper toxicity displays a non-monotonic relationship with age across the medaka (Oryzias latipes) lifespan. 2022. Environmental Toxicology & Chemistry 41(12):2999-3006
Bock SL, Smaga CR, McCoy JA, Parrott BB. Genome-wide DNA methylation patterns harbor signatures of hatchling sex and past incubation temperature in a species with environmental sex determination. 2022. Molecular Ecology 31(21):5487-5505
Hale MD, Koal T, Hai Pham T, Bowden JA, Parrott BB. Transcriptional networks underlying a primary ovarian insufficiency disorder in alligators naturally exposed to EDCs. 2022. Molecular and Cellular Endocrinology 557:111751-111751
Smaga CR, Bock SL, Johnson JM, Parrott BB. Sex determination and ovarian development in reptiles and amphibians: From genetic pathways to environmental influences. 2022. Sexual Development 1-21 doi.org/10.1159/000526009
Bailey A, Rainwater TR, Lowers RH, Parrott BB, Wilkinson PM, Bowden JA, Rice C. Quantifying circulating IgY antibody responses against select opportunistic bacterial pathogens and correlations with body condition factors in wild American alligators, Alligator mississippiensis. 2022. Biology 11(2):269 DOI: 10.3390/biology11020269
Mason MW, Bertucci EM, Leri FM, Parrott BB. Transient copper exposure during embryogenesis and temperature affects developmental rate, survival, and fin regeneration in Japanese medaka (Oryzias latipes). 2022. Environmental Toxicology and Chemistry 41:748-757 DOI: 10.1002/etc.5276
2021
Bertucci EM, Mason MW, Rhodes OE, Parrott BB. Exposure to ionizing radiation disrupts normal epigenetic aging in Japanese medaka. 2021. Aging 13(19):22752-22771 DOI:10.18632/aging.203624
Bae J, Bertucci EM, Bock SL, Hale MD, Moore J, Wilkinson PM, Rainwater TR, Bowden JA, Koal T, PhamTuan H, Parrott BB. Intrinsic and extrinsic factors interact during development to influence telomere length in a long-lived reptile. 2021. Molecular Ecology00:1-14 DOI:10.1111/mec.16017
Bock SL, Hale MD, Rainwater TR, Wilkinson PM, Parrott BB. Incubation temperature and maternal resource provisioning, but not contaminant exposure, shape hatchling phenotypes in a species with temperature-dependent sex determination. 2021. The Biological Bulletin 241:43-54
LaVere AA, Hamlin HJ, Lowers RH, Parrott BB, Ezenwa VO. Associations between testosterone and immune activity in alligators depend on bacteria species and temperature. 2021. Functional Ecology 35:1018-1027
Hale MD, Parrott BB. Precocious estrogen signals underlie altered ovarian function in a model of environmental health. 2020. Environmental Health Perspectives 128(11):117003 https://doi.org/10.1289/EHP6627
Bock SL, Hale MD, Leri FM, Wilkinson PM, Rainwater TR, Parrott BB. Post-transcriptional mechanisms respond rapidly to ecologically relevant thermal fluctuations during temperature-dependent sex determination. 2020. Integrative Organismal Biology 2(1):033, https://doi.org/10.1093/iob/obaa033
Rainwater TR, Griess J, Murphy TM, Boylan SM, Parrott BB, Kohno S, Rainwater KAE, Richards SM, Guillette M, Mills T, Platt SG, Wilkinson PM, Guillette LJ. Leucistic American alligator hatchlings in coastal South Carolina. 2020. Southeastern Naturalist19(4):62-72
Bertucci EM, Parrott BB. Is CpG density the link between epigenetic aging and lifespan? 2020. Trends in Genetics 36(10): 725-727 https://doi.org/10.1016/j.tig.2020.06.003
Rhodes OE [and 52 others including Parrott BB]. Integration of ecosystem science into radioecology: a consensus perspective. 2020. Science of the Total Environment 740:140031 https://doi.org/10.1016/j.scitotenv.2020.140031
Bertucci EM, Mason MW, Camus A, Rhodes OE, Parrott BB. Chronic low dose irradiation alters the hepatic transcriptome, but not the global DNA methylome in medaka (Oryzias latipes). 2020. Science of the Total Environment 729:138680
Bock SL, Lowers RH, Rainwater TR, Stolen E, Drake JM, Wilkinson PM, Weiss S, Back B, Guillette Jr. LJ, Parrott BB. Ecological drivers of nest temperature variation in the American alligator: implications of future environmental change for a species with temperature-dependent sex determination. 2020. Proceedings of the Royal Society B 287:20200210 http://dx.doi.org/10.1098/rspb.2020.0210
Rashid DJ, Bradley R, Bailleul AM, Surya K, Woodward HN, Wu P, Wu YH, Menke DB, Minchey SG, Parrott BB, Bock SL, Merzdorf C, Narotzky E, Burke N, Horner JR, Chapman SC. Distal spinal nerve development and divergence of avian groups. 2020. Scientific Reports 10:6304 https://doi.org/10.1038/s41598-020-63264-5
Malpe M, McSwain L, Ng C, Kudyba K, Nicholson J, Brady M, Choksi V, Hudson A, Parrott BB, Schulz C. G-protein signaling is required for increasing germline stem cell division frequency in response to mating in Drosophila males. 2020. Scientific Reports10:3888 https://doi.org/10.1038/s41598-020-60807-8
2019
Zajdel JL, Lance SL, Rainwater TR, Wilkinson PM, Hale MD, Parrott BB. Mating dynamics and multiple paternity in a long-lived vertebrate. 2019. Ecology and Evolution 9: 10109-10121 https://doi.org/10.1002/ece3.5438
Parrott BB, Bertucci EM. Epigenetic aging clocks in ecology and evolution. 2019. Trends in Ecology and Evolution 34(9):767-770 https://doi.org/10.1016/j.tree.2019.06.008
Hale MD, Bertucci EM, Rainwater TR, Wilkinson PM, Parrott BB. The impact of maternally derived dioxins on embryonic development and hepatic AhR signaling in a long-lived apex predator. 2019. Chemosphere 229: 489-499 https://doi.org/10.1016/j.chemosphere.2019.04.187
2018
Galligan TM, Hale MD, McCoy JA, Bermudez DS, Guillette LJ Jr, Parrott BB. Assessing impacts of precocious steroid exposure on thyroid physiology and gene expression programs in the American alligator (Alligator mississippiensis). 2018. General and Comparative Endocrinology 271:61-72 https://doi.org/10.1016/j.ygcen.2018.11.002
Hale MD, McCoy JA, Doheny BM, Galligan TM, Guillette LJ Jr, Parrott BB. Embryonic estrogen exposure recapitulates persistent ovarian transcriptional programs in a model of environmental endocrine disruption. 2018. Biology of Reproduction 100:149-161 doi.org/10.1093/biolre/ioy165
2017
Hale MD, Galligan TM, Rainwater TR, Moore BC, Wilkinson PM, Guillette LJ Jr, and Parrott BB. The AhR signaling pathway in the American alligator links historic exposures to modern day effects on offspring development. 2017. Environmental Pollution 230: 1050-1061 doi.org/10.1016/j.envpol.2017.07.065
McCoy JA, Bangma J, Reiner JL, Schnorr J, Slowey MJ, O’Leary T, Guillette LJ Jr, and Parrott BB. Concentrations of perfluorinated contaminants in follicular fluid are negatively associated with ovarian sensitivity to gonadotropin stimulation in women undergoing treatment for infertility. 2017. Science of the Total Environment 605: 9-17 doi.org/10.1016/j.scitotenv.2017.06.137
Tipton JJ, Guillette LJ, Lovelace S, Parrott BB, Rainwater TR, Reiner JL. Analysis of PFAAs in American alligators: Potential dietary exposure of South Carolina hunters from recreationally harvested alligator meat. 2017. Journal of Environmental Sciences61:24-30 https://doi.org/10.1016/j.jes.2017.05.045]
Tipton JJ, Guillette LJ, Lovelace S, Parrott BB, Rainwater TR, Reiner JL. Concentrations of PFAAs in alligators harvested for consumption during South Carolina public hunts. 2017. Journal of Environmental Sciences 61:31-38 https://doi.org/10.1016/j.jes.2017.05.046
2016
McCoy JA, Hamlin HJ, Thayer L, Guillette LJ Jr, Parrott BB. The influence of thermal signals during embryonic development on intrasexual and sexually dimorphic gene expression and circulating steroid hormones in American alligator hatchlings (Alligator mississippiensis). 2016. General and Comparative Endocrinology 238: 47-54 http://dx.doi.org/10.1016/j.ygcen.2016.04.011
Guillette LJ Jr, Parrott BB, Nilsson E, Haque MM, Skinner MK. Epigenetic alterations in alligators from environmentally contaminated lakes. 2016. General and Comparative Endocrinology 238: 4-12 http://dx.doi.org/10.1016/j.ygcen.2016.04.012
Doheny BM, Kohno S, Parrott BB, Guillette LJ Jr. In ovo treatment with an estrogen receptor alpha selective agonist causes precocious development of the female reproductive tract of the American alligator (Alligator mississippiensis). 2016.General and Comparative Endocrinology 238: 96-104 http://dx.doi.org/10.1016/j.ygcen.2016.02.026
Yatsu R, Miyagawa S, Kohno S, Parrott BB, Yamaguchi K, Miyakawa H, Shigenobu S, Guillette LJ, Iguchi T. RNA-seq analysis of the gonadal transcriptome during Alligator mississippiensis temperature-dependent sex determination and differentiation. 2016. BMC Genomics 17:77 DOI: 10.1186/s12864-016-2396-9
Nilsen FM*, Parrott BB*, Bowden JA*, Kassim BL, Somerville SE, Bryan TA, Bryan CE, Lange TR, Delaney JP, Brunell AM, Long SE, Guillette LJ Jr. Global DNA methylation loss associated with mercury contamination and aging in the American alligator (Alligator mississippiensis). 2016. Science of the Total Environment 545-546: 389-397 doi:10.1016/j.scitotenv.2015.12.059 *Denotes equal contribution of authors
Prior to 2016
McCoy JA*, Parrott BB*, Rainwater TR, Wilkinson PM, and Guillette LJ Jr. Incubation prior to the canonical thermosensitive period determines sex in the American alligator. 2015. Reproduction 150(4): 279-87 https://doi.org/10.1530/rep-15-0155 *Denotes equal contribution of authors
Kohno S, Parrott BB, Yatsu R, Miyagawa S, Moore BC, Iguchi T, Guillette LJ, Jr. Gonadal Differentiation in Reptiles Exhibiting Environmental Sex Determination. 2014. Sexual Development 8: 208-226 DOI: 10.1159/000358892
Parrott BB, Bowden JA, Kohno S, Cloy-McCoy JA, Hale MD, Bangma JT, Rainwater TR, Wilkinson PM, Kucklick JR, Guillette LJ Jr. Influence of tissue, age, and environmental quality on DNA methylation in Alligator mississippiensis. 2014. Reproduction 147(4): 503-14. https://doi.org/10.1530/rep-13-0498
Parrott BB, Kohno S, Cloy-McCoy JA, Guillette LJ Jr. Differential Incubation Temperatures Result in Dimorphic DNA Methylation Patterning of the SOX9 and Aromatase Promoters in Gonads of Alligator (Alligator mississippiensis) Embryos. 2013. Biology of Reproduction 90(1):2. https://doi.org/10.1095/biolreprod.113.111468
Hudson A, Parrott BB, Qian Y, Schulz, C. A Temporal Signature of Epidermal Growth Factor Signaling Regulates the Differentiation of Germline Cells in Testes of Drosophila melanogaster. 2013. PLoS One 8(8): e70678.https://doi.org/10.1371/journal.pone.0070678
Parrott BB, Hudson A, Brady R, Schulz C. Control of Germline Stem Cell Division Frequency—A Novel, Developmentally Regulated Role for Epidermal Growth Factor Signaling. 2012. PLoS One 7(5): e36460. https://doi.org/10.1371/journal.pone.0036460
Parrott BB, Chiang Y, Hudson A, Sarkar A, Guiche A, Schulz C. Nucleoporin98-96 Function is Required for Transit Amplification Divisions in the Germ Line of Drosophila melanogaster. 2011. PLoS One 6(9): e25087. https://doi.org/10.1371/journal.pone.0025087
Gubbels MJ, Lehman M, Muthalagi M, Jerome ME, Brooks CF, Szatanek T, Flynn J, Parrott BB, Radke J, Striepen B, White MW. Forward Genetic Analysis of the Apicomplexan Cell Division Cycle in Toxoplasma gondii. 2009. PLoS Pathogens 4(2): e36. https://doi.org/10.1371/journal.ppat.0040036