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Visualization of dynein-dependent microtubule gliding at the cell cortex: implications for spindle positioning
Download2011
Dynein motors move along the microtubule (MT) lattice in a processive “walking” manner. In the one-cell Caenorhabditis elegans embryo, dynein is required for spindle-pulling forces during mitosis. Posteriorly directed spindle-pulling forces are higher than anteriorly directed forces, and this...
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The APETALA-2-Like Transcription Factor OsAP2-39 Controls Key Interactions between Abscisic Acid and Gibberellin in Rice
Download2010
Rothstein, Steven J., Bi, Yong-Mei, Zhu, Tong, El-kereamy, Ashraf, Beatty, Perrin H., Yaish, Mahmoud W., Good, Allen G.
The interaction between phytohormones is an important mechanism which controls growth and developmental processes in plants. Deciphering these interactions is a crucial step in helping to develop crops with enhanced yield and resistance to environmental stresses. Controlling the expression level...
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2010
Sensen, C.W., Goss, G.G., Childs, S.J., Zuccolo, J., Bau, J., Deans, J.P.
Background: The MS4A gene family in humans includes CD20 (MS4A1), FcRb (MS4A2), Htm4 (MS4A3), and at least 13 other syntenic genes encoding membrane proteins, most having characteristic tetraspanning topology. Expression of MS4A genes is variable in tissues throughout the body; however, several...
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The secretogranin II-derived peptide secretoneurin stimulates luteinizing hormone secretion from gonadotrophs.
Download2009
Chen, A., Grey, C.L., Wong, A.O.L., Somoza, G.M., López, G.C., Canosa, L.F., Zhao, E., Trudeau, V.L., Chang, J.P., Basak, A., Ko,W.
Pituitary adenylate cyclase-activating polypeptide (PACAP) is a member of the glucagon/secretin peptide family, and its molecular structure is highly conserved in vertebrates. In this study, the functional role of PACAP in regulating GH release in the goldfish was investigated. Using...
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2009
Hannon, S., Stephenson, S., Proctor, H.
Altricial young face two significant energetic challenges in the nest: thermoregulation and stress caused by ectoparasites. Ectoparasites feed on blood of nestlings and serve as vectors for bacterial and viral infections. Many bird species line their nests with feathers, which insulate the nest...
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Manipulation of host food availability and use of multiple exposures to assess the crowding effect on Hymenolepis diminuta in Tribolium confusum
Download2008
Walsh, J.G., Wong, Y.C., Shostak, A.W.
We studied the ‘crowding effect’ in Tribolium confusum infected with Hymenolepis diminuta. Manipulations included age and number of parasites, and diet, sex, age and number of exposures of hosts. Volume per parasite was unaffected until an intensity of at least 5–10 parasites per host, then...
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Generation of a restriction minus enteropathogenic Escherichia coli E2348/69 strain that is efficiently transformed with large, low copy plasmids
Download2008
Raivio, T.L., Price, N.L., Ward, J.D., Hobson, N.
Background Many microbes possess restriction-modification systems that protect them from parasitic DNA molecules. Unfortunately, the presence of a restriction-modification system in a given microbe also hampers genetic analysis. Although plasmids can be successfully conjugated into the...
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Genomic sequence and activity of KS10, a transposable phage of the Burkholderia cepacia complex
Download2008
Seed, K.D., Lynch, K.H., Dennis, J.J., Goudie, A.D., Wishart, D.S., Shrivastava, S., Stothard, P.
Background: The Burkholderia cepacia complex (BCC) is a versatile group of Gram negative organisms that can be found throughout the environment in sources such as soil, water, and plants. While BCC bacteria can be involved in beneficial interactions with plants, they are also considered...
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Gawky Is a Component of Cytoplasmic mRNA Processing Bodies Required for Early Drosophila Development
Download2006
Hobman, T. C., Locker, J., Schneider, M. D., Pare, J. M., Haskins, J., Simmonds, A. J., Chaker, S., Najand, N
In mammalian cells, the GW182 protein localizes to cytoplasmic bodies implicated in the regulation of messenger RNA ( mRNA) stability, translation, and the RNA interference pathway. Many of these functions have also been assigned to analogous yeast cytoplasmic mRNA processing bodies. We have...
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Diet and Growth of Northern Pike in the Absence of Prey Fishes: Initial Consequences for Persisting in Disturbance-Prone Lakes.
Download2006
Venturelli, P. A., Tonn, W. M.
The northern pike Esox lucius is a renowned piscivore, but will prey opportunistically on invertebrates (e.g., in small lakes of boreal Alberta, where winterkill can unexpectedly reduce or eliminate prey fishes). We emulated such a disturbance by stocking a fishless lake with northern pike and...