TABLE 3.

Pigmentation mutants of G. polyisoprenivorans obtained by pMA5096-mediated insertional mutagenesis

Mutant	Phenotype compared to wild type	Insertion locus	Accession no.	Identical amino acids (%)	E value
38-33	Brighter, yellow	Next to putative crtA, spheroidene monooxygenase, taxonomically undetermined marine bacterium strain P99-3	BAC77674	37/90 (41)	4e-13
F1	Dark orange, without light induction	Putative anti-anti-sigma regulatory factor, Geobacter sulfurreducens PCA; GSU1427	NP_952479	17/54 (31)	0.17
		Transcription initiation sigma factor crtS, Streptomyces setonii	S55033	31/68 (53)	2e-8
34-07	White	crtI, phytoene desaturase, Gordonia sp. strain TM 414	BAC75676	107/201 (53)	1e-49