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Articles 1 - 15 of 15
Full-Text Articles in Genetics and Genomics
Shar-Pei Mediates Cell Proliferation Arrest During Imaginal Disc Growth In Drosophila, Madhuri Kango-Singh, Riitta Nolo, Chunyao Tao, Patrik Verstreken, P. Robin Hiesinger, Hugo J. Bellen, Georg Halder
Shar-Pei Mediates Cell Proliferation Arrest During Imaginal Disc Growth In Drosophila, Madhuri Kango-Singh, Riitta Nolo, Chunyao Tao, Patrik Verstreken, P. Robin Hiesinger, Hugo J. Bellen, Georg Halder
Biology Faculty Publications
During animal development, organ size is determined primarily by the amount of cell proliferation, which must be tightly regulated to ensure the generation of properly proportioned organs. However, little is known about the molecular pathways that direct cells to stop proliferating when an organ has attained its proper size. We have identified mutations in a novel gene, shar-pei, that is required for proper termination of cell proliferation during Drosophila imaginal disc development. Clones of shar-pei mutant cells in imaginal discs produce enlarged tissues containing more cells of normal size. We show that this phenotype is the result of both …
Workshop On Sustainable Development Of Marine Fish Farming In Wa, Peter Rogers, R Fletcher
Workshop On Sustainable Development Of Marine Fish Farming In Wa, Peter Rogers, R Fletcher
Fisheries management papers
The purpose of this paper is twofold. First to provide an overview of the role of government and more particularly the Department of Fisheries and second to outline government expectations for aquaculture development agencies in the implementation of sustainable development initiatives and the effect this could have on the management of aquaculture within WA.
The Tadpole Of Proceratophrys Avelinoi (Anura: Leptodactylidae), Rafael O. De Sá, José A. Langone
The Tadpole Of Proceratophrys Avelinoi (Anura: Leptodactylidae), Rafael O. De Sá, José A. Langone
Biology Faculty Publications
The genus Proceratoprhrys is poorly known. It consists of 14 currently recognized species (Frost, 2000) of medium-sized frogs distributed from northeastern Argentina and Paraguay to southeast Amazonia (Rondonia State), eastern and southern Brazil. Proceratophrys avelinoi was described from Misiones, Argentina (Mercadal de Barrio and Barrio, 1993). The larval stage of this species is unknown. Herein, we describe the tadpole and the characteristics of the internal oral anatomy of P avelinoi using scanning electron micros- copy (SEM).
Eye Suppression, A Novel Function Of Teashirt, Requires Wingless Signaling, Amit Singh, Madhuri Kango-Singh, Y. Henry Sun
Eye Suppression, A Novel Function Of Teashirt, Requires Wingless Signaling, Amit Singh, Madhuri Kango-Singh, Y. Henry Sun
Biology Faculty Publications
Teashirt (tsh) encodes a Drosophila zinc-finger protein. Misexpression of tsh has been shown to induce ectopic eye formation in the antenna. We report that tsh can suppress eye development. This novel function of tsh is due to the induction of homothorax (hth), a known repressor of eye development, and requires Wingless (WG) signaling. Interestingly, tsh has different functions in the dorsal and ventral eye, suppressing eye development close to the ventral margin, while promoting eye development near the dorsal margin. It affects both growth of eye disc and retinal cell differentiation.
Caudal Spotting In The Beacon Fish (Hemigrammus Ocellifer Characidae), Jack Frankel
Caudal Spotting In The Beacon Fish (Hemigrammus Ocellifer Characidae), Jack Frankel
Department of Biology Faculty Publications
The beacon fish (Hemigrammus ocellifer) exhibits two phenotypes associated with spotting at the base of the caudal fin, with fish either possessing (H. o. ocellifer) or lacking (H. o. falsus) a prominent red spot in this region. Segregation patterns observed from the progenies of 15 different crosses support a hypothesis that caudal spotting in this species is controlled by a single gene with two alleles, for which the caudal spotting allele is completely dominant.
Caudal Spotting In The Beacon Fish (Hemigrammus Ocellifer Characidae), Jack Frankel
Caudal Spotting In The Beacon Fish (Hemigrammus Ocellifer Characidae), Jack Frankel
Jack Frankel
Processes For The Allocation, Reallocation And Governance Of Resource Access In Connection With A Framework For The Future Management Of Fisheries In Western Australia, Government Of Western Australia Department Of Fisheries
Processes For The Allocation, Reallocation And Governance Of Resource Access In Connection With A Framework For The Future Management Of Fisheries In Western Australia, Government Of Western Australia Department Of Fisheries
Fisheries management papers
This paper outlines the issues associated with developing a framework to deal explicitly with the allocation, reallocation and the governance of access to the fisheries resources of Western Australia.
Neurospora Clock-Controlled Gene 9 (Ccg-9) Encodes Trehalose Synthase: Circadian Regulation Of Stress Responses And Development, Mari L. Shinohara, Alejandro Correa, Deborah Bell-Pedersen, Jay C. Dunlap, Jennifer J. Loros
Neurospora Clock-Controlled Gene 9 (Ccg-9) Encodes Trehalose Synthase: Circadian Regulation Of Stress Responses And Development, Mari L. Shinohara, Alejandro Correa, Deborah Bell-Pedersen, Jay C. Dunlap, Jennifer J. Loros
Dartmouth Scholarship
The circadian clock of Neurospora crassa regulates the rhythmic expression of a number of genes encoding diverse functions which, as an ensemble, are adaptive to life in a rhythmic environment of alternating levels of light and dark, warmth and coolness, and dryness and humidity. Previous differential screens have identified a number of such genes based solely on their cycling expression, including clock-controlled gene 9 (ccg-9). Sequence analysis now shows the predicted CCG-9 polypeptide to be homologous to a novel form of trehalose synthase; as such it would catalyze the synthesis of the disaccharide trehalose, which plays an important …
Variability Of Placental Expression Of Cyclin E Low Molecular Weight Variants, A Bukovsky, Maria Cekanova Ms, Rndr, Phd, Mr Caudle, J Wimalasena, Js Foster, Ja Keenan, Rf Elder
Variability Of Placental Expression Of Cyclin E Low Molecular Weight Variants, A Bukovsky, Maria Cekanova Ms, Rndr, Phd, Mr Caudle, J Wimalasena, Js Foster, Ja Keenan, Rf Elder
Faculty Publications and Other Works -- Biochemistry, Cellular and Molecular Biology
No abstract provided.
Mouse Ribonuclease Iii. Cdna Structure, Expression Analysis, And Chromosomal Location, Kristine R. Fortin, Rhonda H. Nicholson, Allen W. Nicholson
Mouse Ribonuclease Iii. Cdna Structure, Expression Analysis, And Chromosomal Location, Kristine R. Fortin, Rhonda H. Nicholson, Allen W. Nicholson
Wayne State University Associated BioMed Central Scholarship
Abstract
Background
Members of the ribonuclease III superfamily of double-stranded(ds)-RNA-specific endoribonucleases participate in diverse RNA maturation and decay pathways in eukaryotic and prokaryotic cells. A human RNase III orthologue has been implicated in ribosomal RNA maturation. To better understand the structure and mechanism of mammalian RNase III and its involvement in RNA metabolism we determined the cDNA structure, chromosomal location, and expression patterns of mouse RNase III.
Results
The predicted mouse RNase III polypeptide contains 1373 amino acids (~160 kDa). The polypeptide exhibits a single C-terminal dsRNA-binding motif (dsRBM), tandem catalytic domains, a proline-rich region (PRR) and an RS domain. …
Variability Of Placental Expression Of Cyclin E Low Molecular Weight Variants, A Bukovsky, Maria Cekanova Ms, Rndr, Phd, Mr Caudle, J Wimalasena, Js Foster, Ja Keenan, Rf Elder
Variability Of Placental Expression Of Cyclin E Low Molecular Weight Variants, A Bukovsky, Maria Cekanova Ms, Rndr, Phd, Mr Caudle, J Wimalasena, Js Foster, Ja Keenan, Rf Elder
Maria Cekanova MS, RNDr, PhD
No abstract provided.
A Note On Cascade Climbing Of Migrating Goby And Shrimp Postlarvae In Two Maui Streams, M. Eric Benbow, Leslie Luchar Orzetti, Mollie D. Mcintosh, Albert J. Burky
A Note On Cascade Climbing Of Migrating Goby And Shrimp Postlarvae In Two Maui Streams, M. Eric Benbow, Leslie Luchar Orzetti, Mollie D. Mcintosh, Albert J. Burky
Biology Faculty Publications
In this study, we documented cascade climbing rates of 133 and 230 postlarvae of Lentipes concolor (O‘opu alamo‘o) and Atyoida bisulcata (Opae kahaole), respectively, from two streams on the island of Maui, Hawaii. Climbing measurements and observations were made of postlarvae at the water-substrate interface in cascade habitats of constricted water flow. Both species were observed to move in short bursts of forward progression within or above the pulsing water-substrate interface. Goby postlarval climbing rates ranged from 0.04 – 1.50 cm s–1 and were slower than shrimp rates which ranged from 0.30 – 3.06 cm s–1. The high variability is …
Genetic Diversity Of Balbiani Ring L Gene In Two Species Of Chironomus, Lola-Mae Palmer
Genetic Diversity Of Balbiani Ring L Gene In Two Species Of Chironomus, Lola-Mae Palmer
Seton Hall University Dissertations and Theses (ETDs)
Differences in genetic composition have been predicted among aquatic midge fly larva called chironomids. Although several genes including microsatellites and ribosomal protein genes have been explored in our lab, the gene that has so far been studied the most is the Balbiani Ring (BR) 1 gene. There are several genes in this family, including Balbiani Ring 2.1, 2.2 and 6. These BR genes are known to contain long arrays of tandemly repeated units with a ranked repeat organization (Paulsson et al.1992). This secretory protein gene forms a large puff located on polytene chromosome IV (Bentivegna et al., 1993). The gene …
Functional Requirement Of Aquaporin-5 In Plasma Membranes Of Sweat Glands, Lene N. Nejsum, Tae-Hwan Kwon, Uffe B. Jensen, Ornella Fumagalli, Jørgen Frøkiaer, Carissa M. Krane, Anil G. Menon, Landon S. King, Peter C. Agre, Søren Nielsen
Functional Requirement Of Aquaporin-5 In Plasma Membranes Of Sweat Glands, Lene N. Nejsum, Tae-Hwan Kwon, Uffe B. Jensen, Ornella Fumagalli, Jørgen Frøkiaer, Carissa M. Krane, Anil G. Menon, Landon S. King, Peter C. Agre, Søren Nielsen
Biology Faculty Publications
The distribution and function of aquaporins (AQPs) have not previously been defined in sweat glands. In this study, AQP1, AQP3, and AQP5 mRNA were demonstrated in rat paw by reverse transcription (RT)–PCR, but AQP2 and AQP4 were not. AQP1, AQP3, and AQP5 protein were confirmed in these tissues by immunoblotting. AQP1 was identified in capillary endothelial cells by immunohistochemical labeling, but not in sweat glands or epidermis. Abundant AQP3 expression was seen in basal levels of epidermis, but not in sweat glands. AQP2 and AQP4 were not observed in either skin or sweat glands. Immunohistochemical labeling revealed abundant AQP5 in …
Isolation And Characterization Of Microsatellite Loci From Galápagos Lava Lizards (Microlophus Spp.), Mark Jordan, Robert Hammond, Howard Snell, Heidi Snell, William Jordan
Isolation And Characterization Of Microsatellite Loci From Galápagos Lava Lizards (Microlophus Spp.), Mark Jordan, Robert Hammond, Howard Snell, Heidi Snell, William Jordan
Mark A. Jordan
No abstract provided.