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Antisense Regulation And Tissue-Specific Roles Of Peg3 In Lactation And Maternal Care, Wesley D. Frey
Antisense Regulation And Tissue-Specific Roles Of Peg3 In Lactation And Maternal Care, Wesley D. Frey
LSU Doctoral Dissertations
Genomic imprinting is characterized by the restrictive expression of a gene from one of the two inherited parental alleles. Many of these genes have been implicated in neonatal growth and mammalian reproduction. The two studies discussed in this dissertation focus on the tissue-specific contributions of Paternally Expressed Gene 3 (Peg3) on lactation and maternal care as well as the regulation of this gene through an antisense RNA (APeg3). In the first study, a conditional knockout allele has been developed to further characterize these known functions of Peg3 in a tissue-specific manner. The mutant line was first crossed with germline Cre, …
Taxonomy And Systematics Of New Zealand Faronitae (Coleoptera: Staphylinidae: Pselaphinae), Jong-Seok Park
Taxonomy And Systematics Of New Zealand Faronitae (Coleoptera: Staphylinidae: Pselaphinae), Jong-Seok Park
LSU Doctoral Dissertations
The New Zealand Faronitae was revised at the species level, and a phylogenetic study was performed based on morphological and molecular data. Eight new genera and 143 new species were discovered. Three new genera, “Brounea”, “Ahnea” and “Pseudoexeirarthra” were designated based on the species originally described in the genus Sagola. Five new genera, “Aucklandea”, “Chandlerea”, “Nunnea”, “Leschenea” and “Pseudostenosagola” were designated by new species. Three known genera, Exeirarthra, Stenosagola and Sagola were also revised at species level. Eighty four names were synonymized, two in Exeirarthra, four in Stenosagola and 78 in Sagola. Lectotypes of seven species, Sagola terricola Broun, S. …
Community College Students' Plant Biodiversity Learning Experience In An Introductory Biology Course: Exploring The Value Added By Using A Cd-Rom To Develop Inquiry Lessons, Sandra M. Guzman-Rodriguez
Community College Students' Plant Biodiversity Learning Experience In An Introductory Biology Course: Exploring The Value Added By Using A Cd-Rom To Develop Inquiry Lessons, Sandra M. Guzman-Rodriguez
LSU Doctoral Dissertations
This study examined the value added to standard textbook-based instruction of plant biodiversity by the use of the exemplary interactive CD-ROM, Conserving Earth’s Biodiversity. This CD-ROM features renowned conservation figure E.O. Wilson. The setting of the research was an introductory biology course in a rural public community college in the Deep South. Six participants were purposively selected to represent three levels of achievement and two groups, the CD-ROM group (exposed to CD-ROM in addition to the textbook) and the textbook group (only course textbook). Students experienced lecture-based, textual, virtual, and real experiences, and examined their ability to understand biodiversity-related concepts …