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Acetylene Inhibition of Azotobacter vinelandii Hydrogenase: Acetylene Binds Tightly to the Large Subunit

Creator:: Sun, Jin-Hua, Hyman, Michael R., and Arp, Daniel J.
Abstract:: Acetylene is a slow-binding inhibitor of the Ni- and Fe-containing dimeric hydrogenase isolated from Azotobacter vinelandii. Acetylene was released from hydrogenase during the recovery from inhibition. This indicates that no transformation of acetylene to another compound occurred as a result of the interaction with hydrogenase. However, the release of C2H2...
Resource Type:: Article
Full Text:: ? Jin-Hua Sun, Michael R. Hyman, and Daniel J. Arp* Laboratory for Nitrogen Fixation Research, Oregon

D-Lactate metabolism and the obligate requirement for CO2 during growth on nitrite by the facultative lithoautotroph Nitrobacter hamburgensis

Creator:: Starkenburg, Shawn R., Arp, Daniel J., and Bottomley, Peter J.
Abstract:: Nitrobacter hamburgensis X14 is a facultative lithoautotroph that conserves energy from the oxidation of nitrite (NO 2 ) and fixes carbon dioxide (CO2) as its sole source of carbon. The availability of the N. hamburgensis X14 genome sequence initiated a re-examination of its mixotrophic and organotrophic potential, as genes encoding...
Resource Type:: Article
Full Text:: . Starkenburg,1 Daniel J. Arp2 and Peter J. Bottomley1,3 Correspondence Shawn R. Starkenburg starkens

Carbonyl Sulfide Inhibition of CO Dehydrogenase from Rhodospirillum rubrum

Creator:: Hyman, Michael R., Ensign, Scott A., Arp, Daniel J., and Ludden, Paul W.
Abstract:: Carbonyl sulfide (COS) has been investigated as a rapid-equilibrium inhibitor of CO oxidation by the CO dehydrogenase purified from Rhodospirillum rubrum. The kinetic evidence suggests that the inhibition by COS is largely competitive versus CO (Ki = 2.3 pM) and uncompetitive versus methylviologen as electron acceptor (Ki = 15.8 pM)....
Resource Type:: Article
Full Text:: from RhodospiriZZum rubrum+ Michael R. Hyman,t Scott A. Ensign,s Daniel J. Arp,t and Paul W. Ludden*,s

Kinetic and Spectroscopic Analysis of the Inactivating Effects of Nitric Oxide on the Individual Components of Azotobacter vinelandii Nitrogenase

Creator:: Hyman, Michael R., Seefeldt, Lance C., Morgan, Vance, Arp, Daniel J., and Mortenson, Leonard E.
Abstract:: The effects of nitric oxide (NO) on the individual components of Azotobacter vinelandii nitrogenase have been examined by kinetic and spectroscopic methods. Incubation of the Fe protein (Av2) for 1 h with stoichiometries of 4- and 8-fold molar excesses of NO to Av2 dimer resulted in a complete loss of...
Resource Type:: Article
Full Text:: vinelandii Nitrogenasef Michael R. Hyman,* Lance C. Seefeldt,$ T. Vance Morgan,$ Daniel J. Arp,* and

Genome-wide profiling of Populus small RNAs

Creator:: Klevebring, Daniel, Street, Nathaniel R., Fahlgren, Noah, Kasschau, Krisitin D., Carrington, James C., Lundeberg, Joakim, and Jansson, Stefan
Abstract:: Background: Short RNAs, and in particular microRNAs, are important regulators of gene expression both within defined regulatory pathways and at the epigenetic scale. We investigated the short RNA (sRNA) population (18-24 nt) of the transcriptome of green leaves from the sequenced Populus trichocarpa using a concatenation strategy in combination with...
Resource Type:: Article
Full Text:: AcceResearch article Genome-wide profiling of Populus small RNAs Daniel Klevebring†1, Nathaniel R Street†2

Ca. Nitrososphaera and Bradyrhizobium are inversely correlated and related to agricultural practices in long-term field experiments

Creator:: Zhalnina, Kateryna, de Quadros, Patricia D., Gano, Kelsey A., Davis-Richardson, Austin, Fagen, Jennie R., Brown, Christopher T., Giongo, Adriana, Drew, Jennifer C., Sayavedra-Soto, Luis A., Arp, Daniel J., Camargo, Flavio A. O., Daroub, Samira H., Clark, Ian M., McGrath, Steve P., Hirsch, Penny R., and Triplett, Eric W.
Abstract:: Agricultural land management, such as fertilization, liming, and tillage affects soil properties, including pH, organic matter content, nitrification rates, and the microbial community. Three different study sites were used to identify microorganisms that correlate with agricultural land use and to determine which factors regulate the relative abundance of the microbial...
Resource Type:: Article
Full Text:: D. de Quadros 1,2†, Kelsey A. Gano1†, Austin Davis-Richardson1, Jennie R. Fagen 1, Christopher T

Emerging semantics to link phenotype and environment

Creator:: Thessen, Anne E., Bunkers, Daniel E., Buttigieg, Pier Luigi, Cooper, Laurel D., Dahdul, Wasila M., Domisch, Sami, Franz, Nico M., Jaiswal, Pankaj, Lawrence-Dill, Carolyn J., Midford, Peter E., Mungall, Christopher J., Ramírez, Martín J., Specht, Chelsea D., Vogt, Lars, Aldo Vos, Rutger, Walls, Ramona L., White, Jeffrey W., Zhang, Guanyang, Deans, Andrew R., Huala, Eva, Lewis, Suzanna E., and Mabee, Paula M.
Abstract:: Understanding the interplay between environmental conditions and phenotypes is a fundamental goal of biology. Unfortunately, data that include observations on phenotype and environment are highly heterogeneous and thus difficult to find and integrate. One approach that is likely to improve the status quo involves the use of ontologies to standardize...
Resource Type:: Article
Full Text:: OPEN ACCESS Emerging semantics to link phenotype and environment Anne E. Thessen1,2, Daniel E. Bunker3

Distinct Argonaute-mediated 22G-RNA pathways direct genome surveillance in the C. elegans germline

Creator:: Gu, Weifeng, Shirayama, Masaki, Conte Jr., Darryl, Vasale, Jessica, Batista, Pedro J., Claycomb, Julie M., Moresco, James J., Youngman, Elaine, Keys, Jennifer, Stoltz, Matthew J., Chen, Chun-Cheih G., Chaves, Daniel A., Duan, Shenghua E., Kasschau, Krisitin D., Fahlgren, Noah, Yates III, John R., Mitani, Shohei, Carrington, James C., and Mello, Craig C.
Abstract:: Endogenous small RNAs (endo-siRNAs) interact with Argonaute (AGO) proteins to mediate sequence-specific regulation of diverse biological processes. Here, we combine deep-sequencing and genetic approaches to explore the biogenesis and function of endo-siRNAs in C. elegans. We describe conditional alleles of the dicer-related helicase, drh-3, that abrogate both RNA interference and...
Resource Type:: Article
Full Text:: , Matthew J. Stoltz1, Chun-Chieh G. Chen1, Daniel A. Chaves1,5, Shenghua E. Duan1, Kristen D. Kasschau6

The Gene Ontology in 2010: extensions and refinements

Creator:: Gene Ontology Consortium, Berardini, Tanya Z., Li, Donghui, Huala, Eva, Bridges, Susan, Burgess, Shane, McCarthy, Fiona, Carbon, Seth, Lewis, Suzanna E., Mungall, Christopher J., Abdulla, Amina, Wood, Valerie, Feltrin, Erika, Valle, Giorgio, Chisholm, Rex L., Fey, Petra, Gaudet, Pascale, Kibbe, Warren, Basu, Siddhartha, Bushmanova, Yulia, Eilbeck, Karen, Siegele, Deborah A., McIntosh, Brenley, Renfro, Daniel, Zweifel, Adrienne, Hu, James C., Harris, Midori A., Deegan, Jennifer I., Ireland, Amelia, Lomax, Jane, Jaiswal, Pankaj, Chibucos, Marcus, Gwinn-Giglio, Michelle, Wortman, Jennifer, Hannick, Linda, Madupu, Ramana, Botstein, David, Dolinski, Kara, Livstone, Michael S., Oughtred, Rose, Blake, Judith A., Bult, Carol, Diehl, Alexander D., Dolan, Mary, Drabkin, Harold, Eppig, Janan T., Hill, David P., Ni, Li, Ringwald, Martin, Sitnikov, Dmitry, Collmer, Candace, Torto-Alalibo, Trudy, Laulederkind, Stan, Shimoyama, Mary, Twigger, Simon, D'Eustachio, Peter, Matthews, Lisa, Balakrishnan, Rama, Binkley, Gail, Cherry, J. Michael, Christie, Karen R., Costanzo, Maria C., Engel, Stacia R., Fisk, Dianna G., Hirschman, Jodi E., Hitz, Benjamin C., Hong, Eurie L., Krieger, Cynthia J., Miyasato, Stuart R., Nash, Robert S., Park, Julie, Skrzypek, Marek S., Weng, Shuai, Wong, Edith D., Aslett, Martin, Chan, Juancarlos, Kishore, Ranjana, Sternberg, Paul, Van Auken, Kimberly, Khodiyar, Varsha K., Lovering, Ruth C., and Talmud, Philippa J.
Abstract:: The Gene Ontology (GO) Consortium (http://www.geneontology.org) (GOC) continues to develop, maintain and use a set of structured, controlled vocabularies for the annotation of genes, gene products and sequences. The GO ontologies are expanding both in content and in structure. Several new relationship types have been introduced and used, along with...
Resource Type:: Article
Full Text:: Utah, Salt Lake City, UT, USA); Deborah A. Siegele, Brenley McIntosh, Daniel Renfro, Adrienne Zweifel

ScholarsArchive@OSU

Acetylene Inhibition of Azotobacter vinelandii Hydrogenase: Acetylene Binds Tightly to the Large Subunit

D-Lactate metabolism and the obligate requirement for CO2 during growth on nitrite by the facultative lithoautotroph Nitrobacter hamburgensis

Carbonyl Sulfide Inhibition of CO Dehydrogenase from Rhodospirillum rubrum

Kinetic and Spectroscopic Analysis of the Inactivating Effects of Nitric Oxide on the Individual Components of Azotobacter vinelandii Nitrogenase

Genome-wide profiling of Populus small RNAs

Ca. Nitrososphaera and Bradyrhizobium are inversely correlated and related to agricultural practices in long-term field experiments

Emerging semantics to link phenotype and environment

Distinct Argonaute-mediated 22G-RNA pathways direct genome surveillance in the C. elegans germline

The Gene Ontology in 2010: extensions and refinements

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