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Articles 1 - 10 of 10
Full-Text Articles in Life Sciences
Analyzing The Shark Paleoecology Of Coastal Georgia From The Miocene And Pliocene Epochs, Joshua Lee Clark, Benjamin Angalet
Analyzing The Shark Paleoecology Of Coastal Georgia From The Miocene And Pliocene Epochs, Joshua Lee Clark, Benjamin Angalet
Georgia Journal of Science
The field of shark paleoecology often yields indecisive conclusions based on the limited fossilization of their anatomical structures, with the exception of their teeth. The majority of the Atlantic coast has been studied regarding the presence of certain prehistoric shark species from the Miocene, Pliocene, and Pleistocene epochs. However, information pertaining to the Georgia coast and understanding its potential community structure is relatively understudied. This study was conducted in which thousands of fossil shark specimens and subsequent marine fauna were collected from dredge spoils created by the US Army Corps of Engineers (USACE): Savannah District. A total of 5,127 fossil …
Brown Anole (Anolis Sagrei) Hoxa5: Insights Into The Divergence Of Hoxa5 Gene Expression And Regulation Across Evolutionarily Divergent Gnathostome Vertebrates, Jennifer A. Lange, Amber L. Rittgers, Adam Davis
Brown Anole (Anolis Sagrei) Hoxa5: Insights Into The Divergence Of Hoxa5 Gene Expression And Regulation Across Evolutionarily Divergent Gnathostome Vertebrates, Jennifer A. Lange, Amber L. Rittgers, Adam Davis
Georgia Journal of Science
Hox genes are evolutionarily conserved developmental regulatory genes that function, in part, to pattern the anterior-posterior (AP) axis of organs and organ systems during animal embryonic development. Hoxa5, specifically, is shown to be expressed in the spinal cord, somites, or transient compartments giving rise to the vertebrae and ribs, developing gut, lungs, and limbs of the mouse (Mus musculus). The cis-regulatory elements (CREs), or short DNA sequences, that direct Hoxa5 expression in these embryonic domains have been mapped and functionally tested in the mouse as well. Similar Hoxa5 expression patterns have been observed in chicken ( …
Freshwater Macroinvertebrate Communities In Baldwin County, Georgia, Heath Michael Ghioto, Michelle K. Murdock, Nadya S. Gutierrez, Kristine N. White Ph.D.
Freshwater Macroinvertebrate Communities In Baldwin County, Georgia, Heath Michael Ghioto, Michelle K. Murdock, Nadya S. Gutierrez, Kristine N. White Ph.D.
Georgia Journal of Science
Freshwater ecosystems are critical habitats for maintaining biodiversity, often providing refuge for organisms especially in urban settings. Baldwin County, GA is home to many freshwater lakes that are part of the Oconee River watershed. Despite ongoing water quality monitoring, aquatic macroinvertebrates are under studied in the area. Aquatic macroinvertebrate diversity of one forested and one residential lake in Milledgeville, GA was documented for the first time. Despite low sample size, community composition was significantly different between lakes, with 27 families in Lake Laurel (forested), 44 families in Lake Oliver Hardy (residential), and only 19 families collected from both lakes. Seasonal …
Making The Error Bar Overlap Myth A Reality: Comparative Confidence Intervals, Frank S. Corotto
Making The Error Bar Overlap Myth A Reality: Comparative Confidence Intervals, Frank S. Corotto
Georgia Journal of Science
Many interpret error bars to mean that if they do not overlap the difference is statistically “significant”. This overlap rule is really an overlap myth; the rule does not hold true for any conventional type of error bar. There are rules of thumb for estimating P values, but it would be better to show error bars for which the overlap rule holds true. Here I explain how to calculate comparative confidence intervals which, when plotted as error bars, let us judge significance based on overlap or separation. Others have published on these intervals (the mathematical basis goes back to John …
The Role Of Adenovirus Serotype 5 E4 11k In The Relocalization Of The Cellular P Body Proteins, Kasey A. Karen, La`Quita Randolph, Kevin Neubrecht, Heather Vincent
The Role Of Adenovirus Serotype 5 E4 11k In The Relocalization Of The Cellular P Body Proteins, Kasey A. Karen, La`Quita Randolph, Kevin Neubrecht, Heather Vincent
Georgia Journal of Science
Human adenoviruses are a useful tool to understand basic cellular biology in addition to viral infections. Historically, cellular splicing was first discovered in adenovirus, but other cellular processes, such as double-strand break repair and aggresome formation, have been further elucidated through adenoviral infection. The adenovirus protein E4 11k has been shown to disrupt cytoplasmic processing bodies (p bodies), which are not well-understood but are involved in mRNA metabolism. Several p body proteins were found to be reorganized in the cytoplasm with adenovirus serotype 5 (Ad5) able to cause the colocalization of these p body proteins with aggresomes. The p body …
A Professional Development Program For Science Adjunct Faculty: The Mentoring-Learning Community (Mlc), Linda B. Purvis, Jason D. Lang, Julie A. Luft
A Professional Development Program For Science Adjunct Faculty: The Mentoring-Learning Community (Mlc), Linda B. Purvis, Jason D. Lang, Julie A. Luft
Georgia Journal of Science
Institutions of higher education have become increasingly dependent on adjunct faculty. These faculty members are often unfamiliar with current teaching strategies emphasizing an active learning approach. To support science adjunct faculty in learning about active learning, a professional development program was designed and implemented by the authors of this study, the Mentoring-Learning Community. The Mentoring-Learning Community program design was informed by literature regarding the use of professional development programs that focused on adjunct faculty. To determine the impact of this program, participants in the Mentoring-Learning Community were observed and interviewed over one semester. Mentoring-Learning Community participants transformed through all three …
Regional Aquatic Macroinvertebrate Biodiversity, Sally Sir, Kris N. White Ph.D.
Regional Aquatic Macroinvertebrate Biodiversity, Sally Sir, Kris N. White Ph.D.
Georgia Journal of Science
Macroinvertebrates are sensitive to environmental conditions, giving them the ability to be utilized in studies indicating the health of their environment. Additionally, macroinvertebrates are an important food source for vertebrates and invertebrates. Since macroinvertebrates play such significant roles in the ecosystem, it is important to identify and document their presence. In order to begin documenting the macroinvertebrates in central Georgia, aquatic macroinvertebrates were collected from ten sampling sites along a transect of central Georgia. Live specimens were imaged, preserved, identified, and sequenced. COI mitochondrial DNA and 18s nuclear DNA and 3D images of the organisms were made publicly available. The …
Diversity And Dispersal Among Eastern Continental Divide Headwater Stream Fishes In Gwinnett County, Georgia., James E. Russell, Molly M. Botting, Ryan M. Davenport, Emilee J. Story, Mark Patterson
Diversity And Dispersal Among Eastern Continental Divide Headwater Stream Fishes In Gwinnett County, Georgia., James E. Russell, Molly M. Botting, Ryan M. Davenport, Emilee J. Story, Mark Patterson
Georgia Journal of Science
The eastern continental divide that bisects Georgia runs through Gwinnett County, separating headwater streams of the western Chattahoochee River watershed from headwater streams of the eastern Ocmulgee and Oconee River watersheds. This landscape feature was used to test hypotheses regarding headwater habitat, fish diversity and gene flow. Headwater habitats are dominant components of river network ecosystems delivering vital ecosystem services and biodiversity. Three headwater streams, one in the Chattahoochee watershed and two in the Oconee watershed, on Gwinnett County Park property, were sampled for differences in physical and chemical properties and fish inter- and intraspecific diversity. Our results suggest the …
Meiofauna Distribution Patterns On A Sandy Beach Of Sapelo Island, Georgia, Nancy Dalman, Dianna Spence, Richard Settele, David Turner, Andrew Shirley, Jill Schulze
Meiofauna Distribution Patterns On A Sandy Beach Of Sapelo Island, Georgia, Nancy Dalman, Dianna Spence, Richard Settele, David Turner, Andrew Shirley, Jill Schulze
Georgia Journal of Science
Substantial abundance and diversity of intertidal invertebrates known as meiofauna are evident on a sandy beach of Sapelo Island, Georgia. Meiofauna are small, benthic, nearly ubiquitous animals. They consume microbes and detritus and are a food source for juvenile fish and ghost shrimp. Meiofauna were manually separated from sand samples collected from three intertidal zones and two depths during low tide in January, March, June, and October, 2017. Fifteen major meiofaunal clades were identified in June, while only eight were observed in January; in all, there were sixteen clades observed. Highest meiofauna densities were found in the middle intertidal zone …
Increasing Capture Rates Of Grassland Birds Over Thirteen Years Indicates Successful Restoration, Katie Stumpf, Charles Muise
Increasing Capture Rates Of Grassland Birds Over Thirteen Years Indicates Successful Restoration, Katie Stumpf, Charles Muise
Georgia Journal of Science
Grassland bird populations are being lost at an alarming rate due to human modifications to grassland ecosystems. Grassland restoration has been shown to mitigate population declines for many species that use these habitats at some point in their annual cycles. We examined capture rates of adult, breeding, and hatch-year birds at a restored grassland site in the piedmont of central Georgia to determine whether colonization, breeding success, hatching success, and recruitment processes were impacting populations of grassland birds. We banded birds approximately twice per month from January 2009 through December 2021 at Panola Mountain State Park. Restoration efforts started in …