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51.
2209 Accesses
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Regulation of metabolism in Caenorhabditis elegans longevity
Marco Gallo, Donald L Riddle Journal of Biology 2010, 9:7 (10 February 2010)
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Editor’s summary
A metabolomic quest for universals in the control of lifespan recently reported in BMC Biology implicates branched-chain amino acid pools. Gallo and Riddle review the lessons from C.elegans in research on longevity, and discuss the implications of the metabolomic research.
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52.
2207 Accesses
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A global analysis of genetic interactions in Caenorhabditis elegans
Alexandra B Byrne, Matthew T Weirauch, Victoria Wong, Martina Koeva, Scott J Dixon, Joshua M Stuart, Peter J Roy Journal of Biology 2007, 6:8 (26 September 2007)
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Editor’s summary
A C. elegans genetic-interaction network built by combining gene mutants and knockdowns is the largest animal network to date, revealing redundancy among functional modules and surprisingly little conservation of network connections compared to yeast.
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53.
2197 Accesses
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Astrocytes derived from glial-restricted precursors promote spinal cord repair
Jeannette E Davies, Carol Huang, Christoph Proschel, Mark Noble, Margot Mayer-Proschel, Stephen JA Davies Journal of Biology 2006, 5:7 (27 April 2006)
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Editor’s summary
Significantly better spinal cord repair in rats results from transplanting specific pre-differentiated cells, cultured to become immature neural-support cells, than from transplanting undifferentiated embryonic stem cells.
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54.
2126 Accesses
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How chemotherapy damages the central nervous system
Christina A Meyers Journal of Biology 2008, 7:11 (22 April 2008)
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55.
2084 Accesses
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A circuit supporting concentration-invariant odor perception in Drosophila
Kenta Asahina, Matthieu Louis, Silvia Piccinotti, Leslie B Vosshall Journal of Biology 2009, 8:9 (26 January 2009)
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| F1000 Biology
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Editor’s summary
In Drosophila, inhibitory interneurons are progressively recruited as olfactory sensory neurons are activated at increasing odor concentrations, allowing the flies to identify distinct odors at different intensities.
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56.
2075 Accesses
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The short coiled-coil domain-containing protein UNC-69 cooperates with UNC-76 to regulate axonal outgrowth and normal presynaptic organization in Caenorhabditis elegans
Cheng-Wen Su, Suzanne Tharin, Yishi Jin, Bruce Wightman, Mona Spector, David Meili, Nancy Tsung, Christa Rhiner, Dimitris Bourikas, Esther Stoeckli, Gian Garriga, H Robert Horvitz, Michael O Hengartner Journal of Biology 2006, 5:9 (25 May 2006)
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Editor’s summary
Newly characterized in C. elegans, the protein UNC-69 interacts with kinesin–binding protein UNC-76 in a complex associated with trafficking vesicles along axons - a process that drives axon growth and helps synapse formation.
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57.
2078 Accesses
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Metabolic reconfiguration is a regulated response to oxidative stress
Chris M Grant Journal of Biology 2008, 7:1 (25 January 2008)
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58.
2041 Accesses
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Motifs, themes and thematic maps of an integrated Saccharomyces cerevisiae interaction network
Lan V Zhang, Oliver D King, Sharyl L Wong, Debra S Goldberg, Amy HY Tong, Guillaume Lesage, Brenda Andrews, Howard Bussey, Charles Boone, Frederick P Roth Journal of Biology 2005, 4:6 (1 June 2005)
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Editor’s summary
The multiple complex biological interactions in a yeast cell can be mapped in a simple graphical form, enhancing our understanding of the networks of interaction by which components of a cell influence one another.
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59.
2031 Accesses
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Promoter architecture and the evolvability of gene expression
Itay Tirosh, Naama Barkai, Kevin J Verstrepen Journal of Biology 2009, 8:95 (14 December 2009)
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Editor’s summary
Major evolutionary change depends on changes in gene expression. Itay Tirosh and colleagues review recent research on the influence of promoter architecture and mutations in regulatory proteins on divergent expression patterns and suggest what is required for evolvability.
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60.
2007 Accesses
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The 'stem cell' concept: is it holding us back?
Arthur D Lander Journal of Biology 2009, 8:70 (21 September 2009)
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Editor’s summary
Arthur Lander argues that the molecular definition of a stem cell is a mirage and 'stemness' is an emergent property of cells in their physiological context, so that the current concept is arguably an obstacle to research.
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61.
1975 Accesses
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The cattle genome reveals its secrets
David W Burt Journal of Biology 2009, 8:36 (24 April 2009)
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Editor’s summary
Burt discusses the impact of the recently sequenced Bovine genome on our understanding of bovine phylogeny and the genomics of domestication.
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62.
1971 Accesses
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Evidence for large domains of similarly expressed genes in the Drosophila genome
Paul T Spellman, Gerald M Rubin Journal of Biology 2002, 1:5 (18 June 2002)
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63.
1968 Accesses
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Imp-L2, a putative homolog of vertebrate IGF-binding protein 7, counteracts insulin signaling in Drosophila and is essential for starvation resistance
Basil Honegger, Milos Galic, Katja Köhler, Franz Wittwer, Walter Brogiolo, Ernst Hafen, Hugo Stocker Journal of Biology 2008, 7:10 (15 April 2008)
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Editor’s summary
The first functional insulin-binding protein identified in invertebrates, Imp-L2, controls Drosophila body size by regulating insulin-mediated growth and is essential for larval survival and dampening insulin signaling under starvation conditions.
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64.
1955 Accesses
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Differences in the way a mammalian cell and yeast cells coordinate cell growth and cell-cycle progression
Ian Conlon, Martin Raff Journal of Biology 2003, 2:7 (24 April 2003)
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65.
1949 Accesses
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Regeneration review reprise
Jessica L Whited, Clifford J Tabin Journal of Biology 2010, 9:15 (16 February 2010)
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Editor’s summary
Stem cell biology and new high throughput techniques are inspiring new advances in research on regeneration. Whited and Tabin discuss recent developments, including two recent reports in BMC Biology that may mean a reevaluation of the regenerative prospects for humans.
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66.
1940 Accesses
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Global analysis of X-chromosome dosage compensation
Vaijayanti Gupta, Michael Parisi, David Sturgill, Rachel Nuttall, Michael Doctolero, Olga K Dudko, James D Malley, P Scott Eastman, Brian Oliver Journal of Biology 2006, 5:3 (16 February 2006)
Abstract | Full text | PDF
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Editor’s summary
In Drosophila germ cells, X chromosome genes are upregulated to balance their expression with that of autosomes; the same happens in somatic cells of mice and nematodes.
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67.
1939 Accesses
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Q&A: What are pharmacological chaperones and why are they interesting?
Dagmar Ringe, Gregory A Petsko Journal of Biology 2009, 8:80 (13 October 2009)
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Editor’s summary
Small molecules that stabilize mutant proteins with high specificity can be used to treat protein misfolding and metabolic diseases: in a Q&A highlighting recent successes, Dagmar Ringe and Gregory Petsko explain how.
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68.
1918 Accesses
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Transplanted astrocytes derived from BMP- or CNTF-treated glial-restricted precursors have opposite effects on recovery and allodynia after spinal cord injury
Jeannette E Davies, Christoph Pröschel, Ningzhe Zhang, Mark Noble, Margot Mayer-Pröschel, Stephen JA Davies Journal of Biology 2008, 7:24 (19 September 2008)
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Editor’s summary
Glial cells can promote the repair of damaged spinal cord, but experiments in rats show that while some promote functional recovery others cause abnormal growth and pain, depending on the growth factor used to cultivate them in culture.
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69.
1899 Accesses
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The genetics of gender and life span
John Tower, Michelle Arbeitman Journal of Biology 2009, 8:38 (29 April 2009)
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Editor’s summary
Tower and Arbeitman discuss two studies in BMC Evolutionary Biology showing that the genetic differences between male and female seed beetles and in fruit flies have a significant effect upon aging and life span.
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70.
1891 Accesses
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Notch signaling, the segmentation clock, and the patterning of vertebrate somites
Julian Lewis, Anja Hanisch, Maxine Holder Journal of Biology 2009, 8:44 (22 May 2009)
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Editor’s summary
Julian Lewis and colleagues review the part played by the Notch signaling pathway in the emergence of somites from the embryonic mesoderm and their later differentiation.
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71.
1885 Accesses
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Environmental stresses can alleviate the average deleterious effect of mutations
Roy Kishony, Stanislas Leibler Journal of Biology 2003, 2:14 (29 May 2003)
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72.
1859 Accesses
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Islands in the sky: the impact of Pleistocene climate cycles on biodiversity
Allan J Baker Journal of Biology 2008, 7:32 (3 November 2008)
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73.
1831 Accesses
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Apical polarity in three-dimensional culture systems: where to now?
Jamie L Inman, Mina J Bissell Journal of Biology 2010, 9:2 (21 January 2010)
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74.
1791 Accesses
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Q&A: Cooperativity
James E Ferrell Journal of Biology 2009, 8:53 (16 June 2009)
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Editor’s summary
James Ferrell explains in Q&A format how cooperativity can tune the behaviour of biological macromolecules to their physiological functions, and can be achieved in many different ways.
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75.
1786 Accesses
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RNA interference in nematodes and the chance that favored Sydney Brenner
Marie-Anne Félix Journal of Biology 2008, 7:34 (13 November 2008)
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