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Communicated by Dieter Söll, Yale University, New Haven, CT (received for review July 3, 2002)
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Figures
- Fig 1.
Linear map of the B. longum chromosome. (A) Scale in Mb. (B) Coding regions by strand. Upper and lower lines represent plus and minus strand ORFs, respectively. Arrows indicate transition points in cumulative GC skew from ORILOC. (C) G+C content with scale (window = 1,000). Roman numerals mark regions where G+C is 2.5 SD units below average. (D) Intact (two IS3-type, five IS21-type, three IS30-type, five IS256-type, and one IS607-type) as well as partial IS elements are represented by vertical lines; boxes mark possible prophage remnant (PR) and integrated plasmid (PL). Filled circles represent rRNA operons. Positions of the 3 nearly identical copies of the potentially new type of mobile genetic element in B. longum are indicated by triangles and an expanded view of one shown. The three different integrases (Int) are represented by arrows; the interrupted IS3-type element containing them is hatched. Black bar, 20-bp palindrome; IR, 97-bp perfect inverted repeat.
- Fig 2.
Oligosaccharide utilization gene clusters. Genes are represented by arrows. IS, insertion sequence; F and G, MalF-type and MalG-type permease subunits of ABC transporter, respectively; E and K, MalE-type solute binding protein and MalK-type ATP-binding protein of ABC transporter, respectively; R, LacI-type repressor; Arab, arabinosidase; βGal, β-galactosidase; αMan, α-mannosidase; αGal, α-galactosidase; GlycH, glycosyl hydrolase of unknown specificity; Isomal, isomaltase; NAc-Glc, N-acetyl glucosamindase; O157, ORF with homolog only in E. coli O157; X and Y, unique hypothetical proteins; LCFACS, long chain fatty acyl CoA synthetase; Est, possible xylan esterase; A, L. lactis phage infection protein homolog; B, oxidoreductase; C, phosphoglycerate mutase; f, fragment of AraE permease. Asterisks mark recent gene duplications.
Data supplements
Data Collection for:
Schell et al. (2002) Proc. Natl. Acad. Sci. USA, 10.1073/pnas.212527599
Supporting Information:
The following Supporting Information is available for this article:
The genome sequence of Bifidobacterium longum reflects its adaptation to the human gastrointestinal tract
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