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- Caenorhabditis elegans (2)
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Articles 1 - 5 of 5
Full-Text Articles in Life Sciences
Audubon's "The Birds Of America": A Sesquicentennial Appreciation, David Frederic Tatham
Audubon's "The Birds Of America": A Sesquicentennial Appreciation, David Frederic Tatham
The Courier
This article details the unique copy of John James Audubon's The Birds of America which now resides in Syracuse University's Special Collections. The author describes the backstory and traces the journey of this extremely rare work. Audubon's work continues to stimulate interest in diverse fields in academia, from art history and science to literature.
Audubon/Au-Du-Bon: Man And Artist, Walter Sutton
Audubon/Au-Du-Bon: Man And Artist, Walter Sutton
The Courier
This article highlights some of the works of the legendary work of John James Audubon, drawn from the collection located in Syracuse University's Special Collections. The author gives special attention to the 1820-21 journal of his voyage down the Ohio and Mississippi (which has been preserved intact), the English and Scottish journal of 1826 (also in its original form), and the descriptive sketches of early pioneer life in the Ornithological Biography. These early journal sources dramatically reveal, at first hand, Audubon's long struggle through many failures and obstacles to win the success and recognition he craved and also enduring status …
Genetics Of Intercellular Signalling In C. Elegans, Judith Austin, Eleanor M. Maine, Judith Kimble
Genetics Of Intercellular Signalling In C. Elegans, Judith Austin, Eleanor M. Maine, Judith Kimble
Biology - All Scholarship
Cell-cell interactions play a significant role in controlling cell fate during development of the nematode Caenorhabditis elegans. It has been found that two genes, glp-1 and lin-12, are required for many of these decisions. glp-1 is required for induction of mitotic proliferation in the germline by the somatic distal tip cell and for induction of the anterior pharynx early in embryogenesis. lin-12 is required for the interactions between cells of equivalent developmental potential, which allow them to take on different fates. Comparison of these two genes on a molecular level indicates that they are similar in sequence and organization, suggesting …
Identification Of Genes That Interact With Glp-1, A Gene Required For Inductive Cell Interactions In Caenorhabditis Elegans, Eleanor M. Maine, Judith Kimble
Identification Of Genes That Interact With Glp-1, A Gene Required For Inductive Cell Interactions In Caenorhabditis Elegans, Eleanor M. Maine, Judith Kimble
Biology - All Scholarship
The glp-1 gene functions in two inductive cellular interactions and in development of the embryonic hypodermis of C. elegans. We have isolated six mutations as recessive suppressors of temperature-sensitive (ts) mutations of glp-1. By mapping and complementation tests, we found that these suppressors are mutations of known dumpy (dpy) genes; dpy genes are required for development of normal body shape. Based on this result, we asked whether mutations previously isolated in screens for mutants defective in body shape could also suppress glp-1(ts). From these tests, we learned that unselected mutations of eight genes required for normal C. elegans morphogenesis, including …
The Drosophila Female-Specific Sex-Determination Gene, Sex-Lethal, Has Stage-, Tissue-, And Sex-Specific Rnas Suggesting Multiple Modes Of Regulation, Helen K. Salz, Eleanor M. Maine, Linda N. Keyes, Mark E. Samuels, Thomas W. Cline, Paul Schedl
The Drosophila Female-Specific Sex-Determination Gene, Sex-Lethal, Has Stage-, Tissue-, And Sex-Specific Rnas Suggesting Multiple Modes Of Regulation, Helen K. Salz, Eleanor M. Maine, Linda N. Keyes, Mark E. Samuels, Thomas W. Cline, Paul Schedl
Biology - All Scholarship
For proper sexual development of females, the Sex-lethal (Sxl) gene must be activated early in development and remain on during the rest of the life cycle. Conversely, in males, Sxl must remain functionally off through development. Here, we show that the Sxl transcription unit spans a DNA segment of greater than 20 kb and encodes at least 10 distinct, but overlapping, RNA species. These RNAs range in size from 4.4 to 1.7 kb and exhibit sex, stage, and tissue specificity. Six RNAs, three female specific and three male specific, are first detected by midembryogenesis and persist through the adult stage: …