BeggiatoaHydrogen SulfideThiotrichaceaeSulfidesCystathionine gamma-LyaseCystathionine beta-SynthaseThiosulfatesHydrogenHydrogen BondingSulfurHydrogen PeroxideAlkynesOrganothiophosphorus CompoundsPhototrophic ProcessesPolyphosphatesGeologic SedimentsNitratesSeawaterAcetatesRNA, Ribosomal, 16SAnaerobiosisSulfurtransferasesSulfhemoglobin