Comparative analysis of genes encoding key steroid core oxidation enzymes in fast-growing Mycobacterium spp. strains

E Yu Bragin1, V Yu Shtratnikova, D V Dovbnya

  • 1Center of Innovations and Technologies "Biological Active Compounds and Their Applications", Russian Academy of Sciences, Moscow 119991, Russian Federation; G.K.Skryabin Institute of Biochemistry & Physiology of Microorganisms, Russian Academy of Sciences, Pushchino, Moscow Region, Russian Federation.

Keywords:
2,3-dehydroxyphenyl dioxygenase2-enoyl acyl-CoA hydratase2-hydroxypenta-2,4-dienoate hydratase3,4-dihydroxy-9,10-secoandrosta-1,3,5(10)-triene-9,17-dione 4,5-dioxygenase3-hydroxy-9,10-secoandrosta-1,3,5(10)-triene-9,17-dione monooxygenase3-hydroxy-9,10-secoandrosta-1,3,5(10)-triene-9,17-dione monooxygenase subunit3-ketosteroid-9α-hydroxylase3-ketosteroid-Δ(1)-dehydrogenase3β-hydroxysteroid-dehydrogenase4,5:9,10-diseco-3-hydroxy-5,9,17-trioxoandrosta-1(10),2-diene-4-oate hydrolase4-hydroxy-2-oxovalerate aldolase9-OH-AD9α-hydroxy androst-4-ene-3,17-dioneADADDAndrost-1,4-diene-3,17-dioneAndrost-4-ene-3,17-dioneBWABroadband-Wheeler AlignerCTABChoXChoX(D,E)EchA19FADFadA5FadD17FadD19FadE26FadE27FadE28Genome sequencingHSDHTH-type transcriptional repressorHsaAHsaABHsaBHsaCHsaDHsaEHsaFHsaGHsd4AHsd4BKSHKshAKshBKstRKstR2Ltp2Ltp3Ltp4MycobacteriumORFsPWMPhytosterolSNPSteroid bioconversionTesBYrbE4AYrbE4Bacetaldehyde dehydrogenaseacetyl-CoA acetyltransferaseacyl-CoA dehydrogenaseacyl-CoA synthetaseacyl-CoA thioesterase IIandrost-4-ene-3,17-dioneandrosta-1,4-diene-3,17-dionebase pairbpcetyl trimethyl ammonium bromidecholesterol oxidaseenoyl-CoA hydrataseflavin adenine dinucleotidehydroxysteroid dehydrogenaseintegral membrane proteinlipid transfer protein 4 (keto acyl-CoA thiolase)lipid-transfer protein 2lipid-transfer protein 3 (acetyl-CoA acetyltransferase)open reading framesposition weight matrixsingle nucleotide substitutionsubunit A of 3-ketosteroid-9α-hydroxylasesubunit B of 3-ketosteroid-9α-hydroxylasesΔ(1) KSTD

Related Concept Videos

Bacterial Phylum Actinobacteria01:30

Bacterial Phylum Actinobacteria

Coryneform bacteria are gram-positive, aerobic, nonmotile rods that exhibit irregular, club-shaped, or V-shaped arrangements. Their V-shape results from snapping division, where the inner cell wall layer forms the cross-wall, while the outer layer remains intact until it ruptures on one side, causing the daughter cells to bend away.The primary genera are Corynebacterium and Arthrobacter. Corynebacterium includes diverse species, ranging from saprophytes to pathogens like Corynebacterium...
Comparing Mitochondrial, Chloroplast, and Prokaryotic Genomes02:16

Comparing Mitochondrial, Chloroplast, and Prokaryotic Genomes

The present-day mitochondrial and chloroplast genomes have retained some of the characteristics of their ancestral prokaryotes and also have acquired new attributes during their evolution within eukaryotic cells. Like prokaryotic genomes, mitochondrial and chloroplast genomes neither bind with histone-like proteins nor show complex packaging into chromosome-like structures, as observed in eukaryotes. Unlike mitotic cell divisions observed in eukaryotic cells, mitochondria and chloroplasts...
Modern Molecular Taxonomy01:29

Modern Molecular Taxonomy

Advancements in molecular biology have revolutionized the identification and characterization of bacteria, with multiple methods leveraging DNA sequencing for enhanced precision. As sequencing technologies improve and costs decline, these approaches are increasingly used in clinical, environmental, and evolutionary studies.Multilocus Sequence Typing (MLST) examines several housekeeping genes, essential chromosomal genes encoding cellular functions, to distinguish strains. Approximately...
Gene Regulation During Sporulation01:17

Gene Regulation During Sporulation

Sporulation is a complex developmental process that allows certain Gram-positive bacteria, such as Bacillus subtilis and Clostridium species, to survive extreme environmental conditions. This process is tightly regulated by a series of signaling cascades and transcriptional controls, ensuring the formation of a highly resistant endospore.Sporulation is triggered by unfavorable conditions, such as nutrient depletion, and is governed by a phosphorelay system. One of the sensor kinases, such as...
Stringent Response in E. coli01:23

Stringent Response in E. coli

Bacterial growth is closely tied to nutrient availability, with cells proliferating exponentially under favorable conditions and entering a stationary phase when resources become scarce. This transition is mediated by a regulatory mechanism known as the stringent response, which allows bacteria to adapt to nutrient deprivation by modulating gene expression and metabolic activity.During nutrient scarcity, intracellular amino acid levels decline. It results in the accumulation of uncharged tRNAs...
Biosynthesis in Bacteria01:24

Biosynthesis in Bacteria

Biosynthesis in bacteria is a fundamental anabolic process that generates essential macromolecules, including proteins, nucleic acids, lipids, and polysaccharides. These macromolecules are critical for cellular growth, replication, and function. The process is tightly regulated and energetically linked to catabolic pathways to ensure optimal resource utilization.Biosynthetic pathways begin with precursor metabolites such as pyruvate, acetyl-CoA, and glucose-6-phosphate derived from glycolysis,...