B. subtilis Expression Data Browser [Genoscapist]

Genomic View of BSU35450 (comFC)

Details about expression for BSU35450

Expression clusters

A158 B1 C1

Highest Expression Conditions

S2	T1.30H	T0.30H	T1.0H	GM+150	T-4.40H	T2.0H	G/S	T-2.40H	T-3.40H
14.3	14.2	14.2	14.2	14.2	14	13.9	13.9	13.9	13.9

Lowest Expression Conditions

BT	S8	HiTm	Heat	Lbstat	MG+45	MG+90	LBGtran	dia0	MG+60
10.1	10.6	10.7	10.8	10.9	11	11	11	11	11.1

Most Positively Correlated Segments

comFA	comFB	comEA	S1458	S122	S125	comGA	comGD	comGE	comGC
0.95	0.94	0.94	0.93	0.91	0.91	0.89	0.89	0.89	0.89

Most Negatively Correlated Segments

ywmC	nadE	yddR	ykzS	pta	yetI	menB	yugK	ywfM	tcyC
-0.58	-0.55	-0.54	-0.54	-0.53	-0.53	-0.52	-0.52	-0.52	-0.52

Expression Profile of BSU35450

Annotation of BSU35450

GenBank annotation

codon_start: 1
db_xref: GI:2636071
function: 16.1: Circulate
gene: comFC
inference: ab initio prediction:AMIGene:2.0
note: Evidence 3: Function proposed based on presence of conserved amino acid motif, structural feature or limited homology; PubMedId: 16009133, 8045879, 8412657; Product type pt: putative transporter
product: putative component of the DNA transport apparatus
protein_id: CAB15562.1
transl_table: 11

Additional informations

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	Group	Description
	Anaerobic growth	Cells were grown in a synthetic medium (E. Härtig, A. Hartmann, M. Schätzle, A. M. Albertini, D. Jahn, Appl Environ Microbiol 72, 5260, 2006) at 37 °C. For aerobic growth, an overnight culture was used to inoculate 100 ml of the synthetic medium to a starting OD578 of 0.05. The culture was then incubated in a 500 ml baffled flask with shaking at 250 rpm [aero]. Anaerobic growth was carried out (i) in the presence of 10 mM potassium nitrate (nitrate respiration) [nit]/ or (ii) in the absence of 10 mM postassium nitrate (fermentative growth) [ferm]. The procedure for anaerobic growth was: medium was inoculated to an OD578 nm of 0.1 in flasks completely filled with medium and sealed with rubber stoppers. They were shaken at 100 rpm to minimize cell aggregation. These cultures were inoculated aerobically with an aerobically grown overnight culture. Anaerobic conditions were achieved in the stoppered flasks after a short time through the consumption of residual oxygen. Cells were harvested during the exponential growth phase.
	Biofilm formation	A fresh colony grown on an LB plate was used to inoculate 10 ml of LB and grown for 10 hours at 30°C. This culture was used to inoculate 10 ml of MSgg medium (S.S. Branda et al., J Bacteriol 186, 3970, Jun, 2004) and incubated with vigorous shaking. The cultures in MSgg were diluted to the same extent in 96 wells microtiterplates (5 μl for 1.5 ml of medium) and incubated without shaking at 30°C. Cells from the control cultures were harvested after 24 hours of incubation [BT]. Biofilms were harvested from 96 well plates after incubation for 36 hours [B36] and 60 hours [B60].
	Carbon sources	A 5 ml aliquot of LB medium was inoculated using frozen culture stocks. After a few hours growth at 37°C, precultures were prepared by inoculating 5 ml of M9 with this LB culture at several different dilutions usually ranging from 500- to 2000-fold. The dilution range was chosen so that one of these precultures had grown to and OD600 of 0.5 - 1.0 after overnight inculation. The chosen M9 medium precultures [at OD600 of 0.5 - 1.0] were used to inoculate 100 mL of M9 medium in 500 mL non-baffled shake flasks to an OD600 of 0.02. Filter-sterilized carbon sources were added separately to the medium M9 at following concentration: D-Glucose 3g/L[Glu], L-Malic acid 4.5g/L[Mal], L-Malic acid + D-Glucose 3 and 2g/L[M+G], D-Fructose 3g/L[Fru], D-Gluconate 4g/L[Glucon], Pyruvate 6g/L[Pyr], Glycerol 6g/L[Gly], Glutamic acid + Succinic acid 2 and 2g/L[G+S]. Where necessary, carbon source solutions were pH neutralized with 4 M NaOH prior to addition to the medium. Cells were harvested during the exponential growth phase.
	Competence	Cells grown overnight on LB agar plates at 30°C were harvested and used to inoculate pre-warmed minimal medium at OD600 of 0.5 (D. Dubnau, R. Davidoff-Abelson, J Mol Biol 56, 209, Mar 14, 1971). After growth at 37°C with vigorous shaking, cells were diluted ten times in fresh pre-warmed minimal medium and samples were harvested after a period of 30 minutes [C30] , i.e. before maximal induction of competence, and after a period of 90 minutes [C90], i.e. when competence induction was maximal.
	Diamide stress	Diamide was added to an exponentially growing culture (OD600 approx. 0.6) at a sub-lethal concentration (0.5 mM) and growth continued at 37°C with vigorous shaking. Samples were collected 0, 5 and 15 minutes after diamide addition [dia0, dia5 and dia15].
	Germination	Purified spores were obtained by growing cells in DSM medium (P. Schaeffer, J. Millet, J. P. Aubert, Proc Natl Acad Sci U S A 54, 704, Sep, 1965) at 37°C for 48 hours after which they were washed ten times in ice cold distilled water over a period of 5 days. Purified spores were heat activated at 70°C in Tris 10 mM pH 8.4 and germination was initiated by the addition of L-alanine 10 mM (A. Moir, J Bacteriol 146, 1106, Jun, 1981). After incubation for one hour at 37°C, the culture was diluted with an equal volume of 2X LB medium and germinating cells were harvested at 135, 150 or 180 minutes after addition of L-alanine [G135, G150 and G180].
	Growth phases [LBG]	Cells were grown in Luria-Bertani medium (Sigma) supplemented with glucose 0.3 % [LBG] at 37°C with vigorous shaking in flasks. Overnight cultures were diluted 2000-fold in fresh pre-warmed medium and samples were collected during the exponential [exp], transition [tran] and stationary [stat] phases of the growth cycle .
	Growth phases [LB]	Cells were grown in Luria-Bertani medium (Sigma) [LB] at 37°C with vigorous shaking in flasks. Overnight cultures were diluted 2000-fold in fresh pre-warmed medium and samples were collected during the exponential [exp], transition [tran] and stationary [stat] phases of the growth cycle .
	Growth phases [M9]	Cells were grown in M9 supplemented with glucose (0.3 %) at 37°C with vigorous shaking. The composition of the M9 minimal medium is (per liter): 8.5 g Na2HPO4.2H20, 3 g KH2PO4, 1 g NH4Cl and 0.5 g NaCl. The following solutions were individually sterilized and added (volumes per liter of medium): 1 ml 0.1 M CaCl2.2H2O, 1 ml 1 M MgSO4.7H2O, 1 ml 50 mM Fe-Citrate. Also added was 10 ml of a trace salts solution containing (per liter): 170 mg ZnCl2, 100 mg MnCl2.4H2O, 60 mg CoCl2.6H2O, 60 mg Na2MoO4.2H2O and 43 mg CuCl2.2H2O. Overnight cultures were diluted 2000-fold in pre-warmed M9 medium and samples were harvested during exponential growth [M9exp], at the transition phase [M9tran] and during stationary phase [M9stat].
	High and low phosphate	Cells were harvested (i) during exponential growth in high phosphate defined medium [HPh]/ (ii) during exponential growth in low phosphate defined medium [LPh] (J. P. Muller, Z. An, T. Merad, I. C. Hancock, C. R. Harwood, Microbiology 143, 947, Mar, 1997)/ and (iii) at three hours after the outset of the phosphate-limitation induced stationary phase [LPhT].

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Group	Description
rho-mutant	B. subtilis strain 1012 wild-type (black) and rho-null mutant cells (red) were grown in LB medium. Samples were taken during exponential growth phase (OD540 of 0.5) from independent cultures (triplicates).