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SQUAMOSA Promoter Binding Protein–Like7 Is a Central Regulator for Copper Homeostasis in Arabidopsis[W]
- Hiroaki Yamasaki, M. Hayashi, Mitsue Fukazawa, Y. Kobayashi, T. Shikanai
- BiologyThe Plant Cell Online
- 1 January 2009
It is found that SPL7 (for SQUAMOSA promoter binding protein–like7) is essential for this response of miR398, and the growth of spl7 plants was severely impaired under low-copper conditions.
2,4-Dichlorophenoxybutyric Acid–Resistant Mutants of Arabidopsis Have Defects in Glyoxysomal Fatty Acid β-Oxidation
To isolate mutants that have defects in peroxisomal fatty acid β-oxidation, mutant lines of Arabidopsis seedlings for growth in the presence of toxic levels of 2,4-DB were screened and genetic analysis revealed that these mutants can be classified as carrying alleles at three independent loci.
CYCLOPS, a mediator of symbiotic intracellular accommodation
- K. Yano, S. Yoshida, M. Parniske
- Biology, Environmental ScienceProceedings of the National Academy of Sciences
- 23 December 2008
The results suggest that CYCLOPS forms an ancient, preassembled signal transduction complex with CCaMK that is specifically required for infection, whereas organogenesis likely requires additional yet-to-be identifiedCCaMK interactors or substrates.
NODULE INCEPTION Directly Targets NF-Y Subunit Genes to Regulate Essential Processes of Root Nodule Development in Lotus japonicus
It is proposed that the evolution of root nodules in legume plants was associated with changes in the function of NIN, which has acquired functions that allow it to divert pathways involved in the regulation of cell division to root nodule organogenesis.
Genome Structure of the Legume, Lotus japonicus
- Shusei Sato, Yasukazu Nakamura, S. Tabata
- BiologyDNA research : an international journal for rapid…
- 28 May 2008
Structural features of the L. japonicus genome are reported, providing the first opportunity to look into the complex and unique genetic system of legumes.
Genome‐wide localization of pre‐RC sites and identification of replication origins in fission yeast
Interestingly, pericentromeric heterochromatin and the silent mating‐type locus replicated in the presence of HU, whereas the inner centromere or subtelomeric heterochromeatin did not, and MCM did not bind to inner centromeres where origin recognition complex was located, suggesting replication is differentially regulated in chromosome domains.
Cytosolic HSP90 Regulates the Heat Shock Response That Is Responsible for Heat Acclimation in Arabidopsis thaliana*
- Kenji Yamada, Y. Fukao, M. Hayashi, Mitsue Fukazawa, I. Suzuki, M. Nishimura
- BiologyJournal of Biological Chemistry
- 28 December 2007
Plant survival requires the ability to acclimate to heat. When plants are subjected to heat shock, the expression of various genes is induced, and the plants become tolerant of higher temperatures.…
Ped3p is a peroxisomal ATP-binding cassette transporter that might supply substrates for fatty acid beta-oxidation.
The phenotype of the Arabidopsis ped3 mutant indicated that the mutation in the PED3 gene inhibits the activity of fatty acid beta-oxidation, and Ped3p may contribute to the transport of fatty acids and their derivatives across the peroxisomal membrane.
Plastid proteins crucial for symbiotic fungal and bacterial entry into plant roots
Surprisingly, both twin proteins from Lotus japonicus are localized in the plastids of root cells, indicating a previously unrecognized role of this ancient endosymbiont in controlling intracellular symbioses that evolved more recently.
NUCLEOPORIN85 Is Required for Calcium Spiking, Fungal and Bacterial Symbioses, and Seed Production in Lotus japonicus
- Katsuharu Saito, M. Yoshikawa, M. Kawaguchi
- Environmental Science, BiologyThe Plant Cell Online
- 1 February 2007
Together with symbiotic nucleoporin NUP133, L. japonicus NUP85 might be part of a specific nuclear pore subcomplex that is crucial for fungal and rhizobial colonization and seed production.