A5007639614- Photosynthetic Processes and Mechanisms
- Algal biology and biofuel production
- Mitochondrial Function and Pathology
- Photoreceptor and optogenetics research
- Climate change impacts on agriculture
- Spectroscopy and Quantum Chemical Studies
- Crop Yield and Soil Fertility
- Hydrology and Drought Analysis
- Agricultural risk and resilience
- Agricultural Economics and Practices
- Rice Cultivation and Yield Improvement
- Metal-Catalyzed Oxygenation Mechanisms
- Climate variability and models
- Hemoglobin structure and function
- Microbial Fuel Cells and Bioremediation
- Geothermal Energy Systems and Applications
- ATP Synthase and ATPases Research
- Marine and coastal ecosystems
- CO2 Sequestration and Geologic Interactions
- Carbon Dioxide Capture Technologies
- CRISPR and Genetic Engineering
- Porphyrin Metabolism and Disorders
Washington University in St. Louis
2019-2024
University of Otago
2018-2024
ICAR Research Complex for NEH Region
2009-2013
Indian Council of Agricultural Research
2013
Abstract Heme has a critical role in the chemical framework of cell as an essential protein cofactor and signaling molecule that controls diverse processes molecular interactions. Using phylogenomics-based approach complementary structural techniques, we identify family dimeric hemoproteins comprising domain unknown function DUF2470. The heme iron is axially coordinated by two zinc-bound histidine residues, forming distinct two-fold symmetric zinc-histidine-iron-histidine-zinc site. Together...
Cyanobacteria are photoautotrophic prokaryotes that serve as key model organisms to study basic photosynthetic processes and potential carbon-negative production chassis for commodity high-value chemicals. The development of new synthetic biology tools improvement current ones is a requisite furthering these models vehicles. CRISPR interference (CRISPRi) allows targeted gene repression using DNase-dead Cas nuclease ("dCas"). Here, we describe titratable dCas12a (dCpf1) CRISPRi system apply...
The PsbM (3.9 kDa) and PsbY (4.2 proteins are membrane-spanning, single-helix, subunits associated with the chlorophyll-binding CP47 pre-complex of photosystem II (PSII). Removal resulted in accumulation PSII pre-assembly complexes impaired electron transfer between primary (QA) secondary (QB) plastoquinone acceptors indicating that QB-binding site bicarbonate binding to non-heme iron were altered this strain. alone had only a minor impact on activity but deleting ΔPsbM background led...
Cyanobacteria, oxygenic photosynthetic microbes, constantly experience varying light regimes. Light intensities higher than those that saturate the capacity of organism often lead to redox damage apparatus and cell death.
Photosystem II is the pigment–protein complex that oxidises water and reduces plastoquinone in oxygenic photosynthesis. Each contains four core proteins surrounded by 13 low-molecular-weight proteins. The 5-kDa PsbT protein one of subunits found at interface functional dimers. We previously observed deletion cyanobacterium Synechocystis sp. PCC 6803 slowed electron transfer increased susceptibility to photodamage addition bicarbonate (or HCO3−) could prevent this photodamage. Bicarbonate an...
Long term weather data is requisite to drive physically based hydrological and crop growth models assess climate change impacts. However, lack of sufficient historical many a times restrict use these models. Realization above facts has resulted in development range generators such as WGEN, CLIGEN, ClimGen LARS-WG. Any generator must be tested ensure that the it produces satisfactory for purposes which used. The aim this paper test commonly used generator, LARSWG (version 4.0) at three sites...
Wheat is the major cereal crop of winter season in Indo-gangetic plains India. The study aimed to analyze impact climate change on wheat varieties viz. K-9107 and HD-2733, under two different agroclimatic zones using simulation model InfoCrop. Model was calibrated validated for Patna Ranchi centres. Sensitivity analysis indicated declining yield trend with increase temperature. yields simulated future scenario HADCM3 A2 time periods 2020, 2050 2080. Simulated showed decline from 3 38 percent...
Abstract Cyanobacteria are the only oxygenic photosynthetic organisms that can fix nitrogen. In diazotrophic cyanobacteria, regulation of photosynthesis during diurnal cycle is hypothesized to be linked with nitrogen fixation and involve D1 protein isoform PsbA4. The amount bioavailable has a major impact on productivity in aqueous environments. contrast low- or nitrogen-fixing (−N) conditions, little data under nitrogen-replete (+ N) conditions available. We compared −N + N wild type psbA4...
Photosystem II (PS II) assembly is a stepwise process involving preassembly complexes or modules focused around four core PS proteins. The current model of in cyanobacteria derived from studies the deletion one more these subunits. Such deletions may destabilize other intermediates, making constructing clear picture intermediate events difficult. Information on plastoquinone exchange pathways operating within also unclear and relies heavily computer-aided simulations. Deletion PsbX [S....
The meteorological data recorded during the period from 1992 to 2006 were used for preparing crop calendar in Tripura. Maximum and minimum temperatures state varying 22.4 35.60C 9.3 26.10C, respectively. crops, rice, maize, oil seeds, pulses, vegetables, mushrooms, tuber fibre crops fruits considered this calendar. Growing seasons different kinds of mushrooms determined better productivity.