A5055264213- Photosynthetic Processes and Mechanisms
- Insect Resistance and Genetics
- Plant Stress Responses and Tolerance
- Plant Molecular Biology Research
- Plant Reproductive Biology
- Crop Yield and Soil Fertility
- Insect and Arachnid Ecology and Behavior
- Invertebrate Immune Response Mechanisms
- Plant and animal studies
- Algal biology and biofuel production
- Genetics and Plant Breeding
- RNA Interference and Gene Delivery
- Insect and Pesticide Research
- RNA modifications and cancer
- Rice Cultivation and Yield Improvement
- Plant nutrient uptake and metabolism
Australian Research Council
2011-2015
Australian National University
2010-2015
Commonwealth Scientific and Industrial Research Organisation
2006-2010
Health Sciences and Nutrition
2006-2010
Compartmentation of the eukaryotic cell requires a complex set subcellular messages, including multiple retrograde signals from chloroplast and mitochondria to nucleus, regulate gene expression. Here, we propose that one such signal is phosphonucleotide (3'-phosphoadenosine 5'-phosphate [PAP]), which accumulates in Arabidopsis thaliana response drought high light (HL) stress enzyme SAL1 regulates its levels by dephosphorylating PAP AMP. chloroplasts but not cytosol. sal1 mutants accumulate...
Ethylene and abscisic acid (ABA) act synergistically or antagonistically to regulate plant growth development. ABA is derived from the carotenoid biosynthesis pathway. Here, we analyzed interplay among ethylene, biogenesis, in rice (Oryza sativa) using ethylene response mutant mhz5, which displays a reduced roots but an enhanced coleoptiles. We found that MHZ5 encodes isomerase mutation mhz5 blocks biosynthesis, reduces accumulation, promotes production etiolated seedlings. can largely...
Chloroplasts act as environmental sensors, enabling rapid plant stress responses through operational retrograde signaling. While these signals operate on minutes-to-hours' time scales, their cumulative impact and function across a plant's lifecycle in field conditions remains unknown. We investigated if signaling's transient changes to gene expression have effects by generating wheat mutants with primed SAL1-PAP pathway responsiveness. After confirming photosynthesis drought resilience under...
Abstract Excess light can have a negative impact on photosynthesis; thus, plants evolved many different ways to adapt conditions both optimize energy use and avoid damage caused by excess light. Analysis of the Arabidopsis (Arabidopsis thaliana) mutant snowy cotyledon4 (sco4) revealed mutation in chloroplast-targeted protein that shares limited homology with CaaX-type endopeptidases. The SCO4 possesses an important function photosynthesis development, point mutations rendering seedlings...