2022
The SpoVA membrane complex is required for dipicolinic acid import during sporulation and export during germination
Gao Y, Barajas-Ornelas R, Amon J, Ramírez-Guadiana F, Alon A, Brock K, Marks D, Kruse A, Rudner D. The SpoVA membrane complex is required for dipicolinic acid import during sporulation and export during germination. Genes & Development 2022, 36: 634-646. PMID: 35654455, PMCID: PMC9186386, DOI: 10.1101/gad.349488.122.Peer-Reviewed Original ResearchConceptsMembrane complexStress-resistant sporesEndospore-forming bacteriaResponse to starvationDipicolinic acidEB subunitsDPA releaseCytoplasmic plugIn vivo analysisMembrane channelsStress resistanceD subunitDormant sporesMolecular basisResume growthSporulationNutrient detectionSporesGerminationProteinOperonSpoVAMutagenesisLociMembrane
2021
Dormant spores sense amino acids through the B subunits of their germination receptors
Artzi L, Alon A, Brock K, Green A, Tam A, Ramírez-Guadiana F, Marks D, Kruse A, Rudner D. Dormant spores sense amino acids through the B subunits of their germination receptors. Nature Communications 2021, 12: 6842. PMID: 34824238, PMCID: PMC8617281, DOI: 10.1038/s41467-021-27235-2.Peer-Reviewed Original ResearchConceptsAmino acid-polyamine-organocation superfamilyEvolutionary co-variation analysisL-alanine recognitionB subunitStress-resistant sporesSuperfamily of transportersPutative membrane receptorL-alanineResponse to L-alanineGerABNutrient sensingBacillus subtilisGerminant receptorsBulky residuesAmino acidsMembrane receptorsPrototypic receptorNutrient detectionSporesGerminationCo-variance analysisL-serineMutationsL-leucineBacillales
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