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Comment On “A G Protein–Coupled Receptor Is A Plasma Membrane Receptor For The Plant Hormone Abscisic Acid”, Christopher Johnston, Brenda Temple, Jin-Gui Chen, Yajun Gao, Etsuko N. Moriyama, Alan M. Jones, David Siderovski, Francis Willard
Comment On “A G Protein–Coupled Receptor Is A Plasma Membrane Receptor For The Plant Hormone Abscisic Acid”, Christopher Johnston, Brenda Temple, Jin-Gui Chen, Yajun Gao, Etsuko N. Moriyama, Alan M. Jones, David Siderovski, Francis Willard
Center for Plant Science Innovation: Faculty and Staff Publications
Liu et al. (Reports, March 23, 2007, p. 1712) reported that the Arabidopsis thaliana gene GCR2 encodes a seven-transmembrane, G protein–coupled receptor for abscisic acid. We argue that GCR2 is not likely to be a transmembrane protein nor a G protein–coupled receptor. Instead, GCR2 is most likely a plant homolog of bacterial lanthionine synthetases.
The Chlamydomonas Genome Reveals The Evolution Of Key Animal And Plant Functions, Sabeeha S. Merchant, Simon E. Prochnik, Olivier Vallon, Elizabeth H. Harris, Steven J. Karpowicz, George B. Witman, Astrid Terry, Asaf Salamov, Lillian K. Fritz-Laylin, Laurence Maréchal-Drouard, Wallace F. Marshall, Liang-Hu Qu, David R. Nelson, Anton A. Sanderfoot, Martin H. Spalding, Vladimir V. Kapitonov, Qinghu Ren, Patrick Ferris, Erika Lindquist, Harris Shapiro, Susan M. Lucas, Jane Grimwood, Jeremy Schmutz, Igor V. Grigoriev, Daniel S. Rokhsar, Arthur Grossman, Chlamydomonas Annotation Team, Jgi Annotation Team, Heriberto D. Cerutti
The Chlamydomonas Genome Reveals The Evolution Of Key Animal And Plant Functions, Sabeeha S. Merchant, Simon E. Prochnik, Olivier Vallon, Elizabeth H. Harris, Steven J. Karpowicz, George B. Witman, Astrid Terry, Asaf Salamov, Lillian K. Fritz-Laylin, Laurence Maréchal-Drouard, Wallace F. Marshall, Liang-Hu Qu, David R. Nelson, Anton A. Sanderfoot, Martin H. Spalding, Vladimir V. Kapitonov, Qinghu Ren, Patrick Ferris, Erika Lindquist, Harris Shapiro, Susan M. Lucas, Jane Grimwood, Jeremy Schmutz, Igor V. Grigoriev, Daniel S. Rokhsar, Arthur Grossman, Chlamydomonas Annotation Team, Jgi Annotation Team, Heriberto D. Cerutti
Center for Plant Science Innovation: Faculty and Staff Publications
Chlamydomonas reinhardtii is a unicellular green alga whose lineage diverged from land plants over 1 billion years ago. It is a model system for studying chloroplast-based photosynthesis, as well as the structure, assembly, and function of eukaryotic flagella (cilia), which were inherited from the common ancestor of plants and animals, but lost in land plants. We sequenced the ~120-megabase nuclear genome of Chlamydomonas and performed comparative phylogenomic analyses, identifying genes encoding uncharacterized proteins that are likely associated with the function and biogenesis of chloroplasts or eukaryotic flagella. Analyses of the Chlamydomonas genome advance our understanding of the ancestral eukaryotic cell, …
Dicamba Resistance: Enlarging And Preserving Biotechnology-Based Weed Management Strategies, Mark Behrens, Nedim Mutlu, Sarbani Chakraborty, Razvan Dumitru, Wen Zhi Jiang, Bradley J. Lavallee, Patricia L. Herman, Thomas E. Clemente, Donald P. Weeks
Dicamba Resistance: Enlarging And Preserving Biotechnology-Based Weed Management Strategies, Mark Behrens, Nedim Mutlu, Sarbani Chakraborty, Razvan Dumitru, Wen Zhi Jiang, Bradley J. Lavallee, Patricia L. Herman, Thomas E. Clemente, Donald P. Weeks
Center for Plant Science Innovation: Faculty and Staff Publications
The advent of biotechnology-derived, herbicide-resistant crops has revolutionized farming practices in many countries. Facile, highly effective, environmentally sound, and profitable weed control methods have been rapidly adopted by crop producers who value the benefits associated with biotechnology-derived weed management traits. But a rapid rise in the populations of several troublesome weeds that are tolerant or resistant to herbicides currently used in conjunction with herbicide-resistant crops may signify that the useful lifetime of these economically important weed management traits will be cut short. We describe the development of soybean and other broadleaf plant species resistant to dicamba, a widely used, inexpensive, …
A Pseudomonas Syringae Pv. Tomato Dc3000 Mutant Lacking The Type Iii Effector Hopq1-1 Is Able To Cause Disease In The Model Plant Nicotiana Benthamiana, Chia-Fong Wei, Brian H. Kvitko, Rena Shimizu, Emerson Crabill, James R. Alfano, Nai-Chun Lin, Gregory B. Martin, Hsiou-Chen Huang, Alan Collmer
A Pseudomonas Syringae Pv. Tomato Dc3000 Mutant Lacking The Type Iii Effector Hopq1-1 Is Able To Cause Disease In The Model Plant Nicotiana Benthamiana, Chia-Fong Wei, Brian H. Kvitko, Rena Shimizu, Emerson Crabill, James R. Alfano, Nai-Chun Lin, Gregory B. Martin, Hsiou-Chen Huang, Alan Collmer
Center for Plant Science Innovation: Faculty and Staff Publications
The model pathogen Pseudomonas syringae pv. tomato DC3000 causes bacterial speck in tomato and Arabidopsis, but Nicotiana benthamiana, an important model plant, is considered to be a non-host. Strain DC3000 injects approximately 28 effector proteins into plant cells via the type III secretion system (T3SS). These proteins were individually delivered into N. benthamiana leaf cells via T3SS-proficient Pseudomonas fluorescens, and eight, including HopQ1-1, showed some capacity to cause cell death in this test. Four gene clusters encoding 13 effectors were deleted from DC3000: cluster II (hopH1, hopC1), IV (hopD1, hopQ1-1, hopR1), IX (hopAA1-2, hopV1, hopAO1, hopG1), and native plasmid pDC3000A …
Transgenic Induction Of Mitochondrial Rearrangements For Cytoplasmic Male Sterility In Crop Plants, Ajay Pal S. Sandhu, Ricardo V. Abdelnoor, Sally Ann Mackenzie
Transgenic Induction Of Mitochondrial Rearrangements For Cytoplasmic Male Sterility In Crop Plants, Ajay Pal S. Sandhu, Ricardo V. Abdelnoor, Sally Ann Mackenzie
Center for Plant Science Innovation: Faculty and Staff Publications
Stability of the mitochondrial genome is controlled by nuclear loci. In plants, nuclear genes suppress mitochondrial DNA rearrangements during development. One nuclear gene involved in this process is Msh1. Msh1 appears to be involved in the suppression of illegitimate recombination in plant mitochondria. To test the hypothesis that Msh1 disruption leads to the type of mitochondrial DNA rearrangements associated with naturally occurring cytoplasmic male sterility in plants, a transgenic approach for RNAi was used to modulate expression of Msh1 in tobacco and tomato. In both species, these experiments resulted in reproducible mitochondrial DNA rearrangements and a condition of male …
Set3p Monomethylates Histone H3 On Lysine 9 And Is Required For The Silencing Of Tandemly Repeated Transgenes In Chlamydomonas, Juan Casas-Mollano, Karin V. Van Dijk, John Eisenhart, Heriberto D. Cerutti
Set3p Monomethylates Histone H3 On Lysine 9 And Is Required For The Silencing Of Tandemly Repeated Transgenes In Chlamydomonas, Juan Casas-Mollano, Karin V. Van Dijk, John Eisenhart, Heriberto D. Cerutti
Center for Plant Science Innovation: Faculty and Staff Publications
SET domain-containing proteins of the SU(VAR)3-9 class are major regulators of heterochromatin in several eukaryotes, including mammals, insects, plants and fungi. The function of these polypeptides is mediated, at least in part, by their ability to methylate histone H3 on lysine 9 (H3K9). Indeed, mutants defective in SU(VAR)3-9 proteins have implicated di- and/or trimethyl H3K9 in the formation and/or maintenance of heterochromatin across the eukaryotic spectrum. Yet, the biological significance of monomethyl H3K9 has remained unclear because of the lack of mutants exclusively defective in this modification. Interestingly, a SU(VAR)3-9 homolog in the unicellular green alga Chlamydomonas reinhardtii, SET3p, …