Krishna Niyogi

This paper identifies two functional xanthophyll-cycle enzymes in a green alga that lacks typical pigment dynamics for photoprotection, revealing alternative NPQ mechanisms.

This study identifies ovothiol A as a key antioxidant in Chlamydomonas that mediates resistance to singlet oxygen and acclimation to light stress.

The paper develops a high-throughput MPRA to map cis-regulatory elements in cereal promoters, identifying mutations that significantly increase gene expression.

The paper describes a simple, fast, and efficient electroporation protocol for Chlamydomonas reinhardtii strains with an intact cell wall, achieving high transformation efficiency without cell wall digestion or commercial kits.

This study shows that TOR inhibition in algae increases amino acid levels through transcriptional activation of biosynthesis pathways and identifies a conserved transcription factor involved in nitrogen metabolism.

This paper designs a nutrient-replete medium for Chromochloris zofingiensis to support fast growth and high triacylglycerol accumulation by optimizing mineral concentrations based on cellular ionome data.

This study shows Chlamydomonas reinhardtii can rapidly reprogram its photoprotective strategies in response to changes in diurnal light intensity, with LL-acclimated cells recovering faster than HL-acclimated cells.

The paper shows Fe starvation in green algae leads to a second LHCI tetramer associated with PSI, similar to cyanobacteria's isiA antenna ring.

This study identifies DGAT3 and FBN2 as key factors in powdery mildew exploitation of Arabidopsis plastoglobuli for pathogen proliferation.

This paper describes the cell biology and genome of Stentor pyriformis, a mixotrophic ciliate, revealing unique features of its endosymbiotic relationship with Chlorella variabilis.

The paper examines rapid NPQ kinetics in ferns, finding faster induction and relaxation compared to other species, with implications for adaptation to light fluctuations.

This study overexpresses NPQ genes in C4 plant Setaria viridis to compare photoprotection mechanisms with C3 plants, finding shared and unique traits that could improve crop resilience.

This study identifies SOQ1 as a methionine sulfoxide reductase in Arabidopsis chloroplasts that regulates photoprotective qH by reducing oxidized methionine in LCNP.

The paper analyzes how Chlamydomonas adapts its gene expression and proteomic profiles to different light conditions, revealing constitutive phenotypes that persist through the night.

The paper identifies a transient increase in quenching in the dark after high light exposure in Arabidopsis, independent of known NPQ mechanisms.

This study investigates the role of CP26 in NPQ regulation in Arabidopsis by analyzing higher-order cp26 mutants and shows that NPQ deficiency in these mutants is independent of qE and qZ.

The paper systematically characterizes gene function in a photosynthetic organism by analyzing mutant phenotypes across diverse conditions and linking them to functional pathways.