ライフサイエンスコーパス: galactan

1 ble exo-galactanase activity against a lupin galactan.

2 irm as those with no detectable (1-->4)-beta-galactan.

3 from wall polymers containing beta(1-->4)-D-galactan.

4 ford an essential polysaccharide, termed the galactan.

5 rity of the Galf residues into mycobacterial galactan.

6 ce en route to assembly of the mycobacterial galactan.

7 ited increases in tightly bound (1-->4)-beta-galactan.

8 f all of the galactofuranose (Galf) units of galactan.

9 ntially binds to fucoidan, beta-glucans, and galactans.

10 ble polysaccharides revealed the presence of galactans, 3,6-anhydro-alpha-L-galactopyranose, sulphate

11 ures through glycation with GOSs (61.2%) and galactan (36.7%) and also significant tertiary structura

12 -transferase GlfT2 mediates formation of the galactan, a polymer of galactofuranose residues that is

13 anionic, low-methylated pectins and sulfated galactans, a feature shared with the cell walls of all m

14 Thus, beta-(1-->4)-galactan and a specialized form of type II arabinogalact

15 saccharides to the two respective sets (anti-galactan and anti-dextran) of antibodies shows a distinc

16 dependence on UGE4 of pectic (1-->4)-beta-D-galactan and glucuronosyl-modified AGP biosynthesis is e

17 arides were comparable or superior to potato galactan and oranges homogalacturonan.

18 ified the structure of two EPSs as 1,6-alpha-galactan and partially acetylated polyethylene glycol.

19 beta-(1-->4)-Galactan and rhamnogalacturonan I backbone epitopes were

20 ration of the major surface polysaccharide d-galactan and the oligo(glycerol phosphate) backbone of t

21 ee major RG-I structural elements (arabinan, galactan and the rhamnogalacturonan backbone) for in sit

22 nly the backbone of 1,4-mannan and 1,6-alpha-galactan and through the Fucalpha1-2Gal, Fucalpha1-3/4Ma

23 beta-(1-->4)-Galactan and type II arabinogalactan were the main large

24 ssociated with novel deposition of beta(1,4)-galactan and with reduced amounts of xylan and mannan in

25 ies have shown the prebiotic influences that galactans and fructans can exert.

26 cluding peptidoglycan, arabinan, linker unit galactan, and lipoarabinomannan.

27 s that include alpha-1,5-arabinans, beta-1,4-galactans, and arabinogalactans.

28 ea cotyledons, before and after (1-->4)-beta-galactan appearance, indicated that the cotyledons with

29 Pectic (1-->4)-beta-D-galactan appears in cotyledon cell walls at a defined st

30 product of these steps, the lipid-linked-LU-galactan-arabinan has been partially characterized in te

31 increasing the extractability of arabinans, galactans, arabinogalactan proteins and mannans.

32 UGM and the galactan are essential in M. tuberculosis, but their imp

33 beta-1,4-Galactans are abundant polysaccharides in plant cell wal

34 at contains rhamnogalacturonan, arabinan and galactan as structural elements.

35 results in the persistence of (1-->4)-beta-d-galactan at the root surface and in epidermal, cortical

36 Arabidopsis AG is composed of a beta-(1-->3)-galactan backbone with beta-(1-->6)-d-galactan side chai

37 n of branched galactans from acacia gum by a galactan-beta-1,3-galactosidase from family GH43; howeve

38 ype IV collagen via a site distinct from its galactan binding site.

39 P-Galp mutase as the source of [14C]Galf for galactan biosynthesis and 5-P-[14C]ribosyl-P-P as a dono

40 To this end, we compare and contrast galactan biosynthesis in C. diphtheriae and M. tuberculo

41 Galactan biosynthesis in mycobacteria involves two glyco

42 Because galactan biosynthesis is essential for mycobacterial via

43 Pol-P-P-LU-(Galf)1,2,3, etc. and Pol-P-P-LU-galactan, catalyzed by a bifunctional galactosyltransfer

44 ose-containing xyloglucan and arabinosylated galactan cell wall polymers in rhd1 back to wild-type le

45 backbone, in the length of the (1-->4)-beta-galactan chain and in the proportion of the arabinan sid

46 The most commonly found galactan configuration in pectins had no inhibition of t

47 corresponding genes had a decreased beta-1,4-galactan content, and overexpression of GALS1 resulted i

48 resulted in plants with 50% higher beta-1,4-galactan content.

49 abinan are abundant in syncytial cell walls; galactan could not be detected.

50 sult suggested that better control of pectic galactan degradation and a better understanding of the d

51 RT than the enzymes involved in arabinan or galactan disassembly.

52 ptidoglycan complex, which has at its core a galactan domain composed of galactofuranose (Galf) resid

53 a novel enzyme responsible for "priming" the galactan domain for further elaboration by Emb, resultin

54 sferase that initiates the elongation of the galactan domain of AG.

55 hypothesis that such activity might regulate galactan entrapment and, thus, mechanical properties of

56 galacturonan-I-associated LM5 (1-->4)-beta-d-galactan epitope occurs in a restricted manner at the ro

57 y pattern to that of the LM5 linear beta-1,4-galactan epitope, which is detected only in companion ce

58 Purified PAM galactan exhibited broad-spectrum biofilm inhibition act

59 Carrageenans are sulfated alpha-1,3-beta-1,4-galactans found in the cell wall of some red algae that

60 ive loss of pectin-associated (1-->4)-beta-D-galactan from the cell walls, whereas a selective loss o

61 ary for the sequential digestion of branched galactans from acacia gum by a galactan-beta-1,3-galacto

62 pening and capable of degrading tomato fruit galactan, has been purified, cloning of the correspondin

63 eta(1-->6)-D-galactopyranotetraose with anti-galactan IgA X24 indicate that the monosaccharide has no

64 ases was sufficient for the synthesis of PAM galactan in Escherichia coli.

65 binofuran on this polyprenyl-P-P-linker unit-galactan intermediate catalyzed by unidentified arabinos

66 1,6-alpha-Galactan is a newly described polymer.

67 iae and M. tuberculosis In each species, the galactan is constructed from uridine 5'-diphosphate-alph

68 de C. glutamicum growth, suggesting that the galactan is critical in corynebacteria.

69 sfer of the first arabinofuranose residue to galactan is essential for M. smegmatis viability.

70 PAM galactan is one of a growing number of bacterial polysac

71 imary walls of expanding cells, but beta-1,4-galactan is relatively abundant in secondary walls, espe

72 To explore the source of galactan length variation, a C. diphtheriae ortholog of

73 data suggest that GlfT2 alone can influence galactan length.

74 used to detect xyloglucan (LM15), beta(1,4)-galactan (LM5), heteroxylan (LM10 and LM11), and galacto

75 Hyp-AGs, which share common features: (i) a galactan main chain composed of two 1-->3 beta-linked tr

76 ct data in structure calculations revealed a galactan main chain with a reverse turn involving the be

77 he root surface occurrence of (1-->4)-beta-d-galactan marks the transition zone at or near the onset

78 tes that modulation of pectic (1-->4)-beta-d-galactan may be an event downstream of AGP function duri

79 d complex of mycolic acids, D-arabinan and D-galactan (mycolylarabinogalactan, mAG), which, in turn,

80 The extent of surface (1-->4)-beta-d-galactan occurrence is reduced in response to genetic mu

81 re, mainly formed by carrageenans, sulphated-galactans of red seaweeds.

82 binan side chains of RG I as compared to the galactan ones under harsh alkaline conditions.

83 e capable of differential recognition of the galactan or mannan acceptors prior to appropriate arabin

84 ants of the antigen (in the case of the anti-galactans) or the chain terminus (in the case of the ant

85 Previous cell wall analysis data suggest the galactan polymer is longer in mycobacterial species than

86 drate polymerase responsible for the bulk of galactan polymerization, GlfT2, was produced, and its ca

87 GlfT2 (Rv3808c) synthesizes the bulk of the galactan portion of the mycolyl-arabinogalactan complex,

88 cate that this enzyme mediates the cell wall galactan production through a sequence-specific polymeri

89 cell wall fractions containing beta(1-->4)-D-galactan purified from tomato fruit.

90 beta-1,6-galactosyl substitution of beta-1,4-galactan requiring more than three backbone residues for

91 ance, indicated that the cotyledons with the galactan-rich cell wall layer were twice as firm as thos

92 Yield of intact galactan-rich RG I of 21.6% and productivity of 192.0 g/

93 The structure of galactan-rich RG I was confirmed by H(1) NMR spectroscop

94 he microwave-assisted alkaline extraction of galactan-rich RG I was investigated.

95 ccharide extracts was the most enriched with galactan-rich RG I.

96 Potato pulp by-product rich in galactan-rich rhamnogalacturonan I (RG I) was investigat

97 Galactan-rich rhamnogalacturonan I (RG I), exhibiting pr

98 lp by-product was used for the extraction of galactan-rich rhamnogalacturonan I (RG-I) type pectic po

99 Sulphated-galactans seemed to be related to the antioxidant status

100 a substantial proportion of the beta-(1-->6)-galactan side chain oligosaccharides are substituted at

101 The beta-(1-->6)-galactan side chains are occasionally substituted with a

102 The beta-(1-->6)-galactan side chains vary in length from one to over 20

103 1-->3)-galactan backbone with beta-(1-->6)-d-galactan side chains.

104 ening, suggesting that the removal of pectic galactan side-chains is an important factor in the cell

105 This branched galactan structure has previously been identified in gar

106 near and (1 --> 6)-branched beta-(1 --> 3)-d-galactans, structures found in plant arabinogalactan pro

107 the identity of the GT92 enzyme as beta-1,4-galactan synthase.

108 in Arabidopsis thaliana, which we designated GALACTAN SYNTHASE1, (GALS1), GALS2 and GALS3.

109 P-P-GlcNAc-Rha) as the primary substrate for galactan synthesis and UDP-[(14)C]galactopyranose as the

110 galactosyl transferase (GalTr) implicated in galactan synthesis arose from its similarity to the know

111 Thus, Rv3782 appears to be the initiator of galactan synthesis, while Rv3808c continues with the sub

112 odes a GalTr involved in the first stages of galactan synthesis.

113 the first time, specific binding of a pectin galactan to the recombinant form of human Gal3.

114 prenyl-P-P carrier followed by growth of the galactan unit.

115 romatography indicated that the (1-->4)-beta-galactan was associated with acidic pectic components.

116 (1-->4)-beta-galactan was restricted to a distinct thin layer at the

117 Pectic 1,4-beta-d-galactan was the main cell wall polysaccharide affected

118 the pathway leading to the fully polymerized galactan, was observed, suggesting that Rv3782 encodes a

119 alactose, galactooligosaccharides (GOSs) and galactan were produced through the Maillard reaction and

120 uice from onion bulbs contained a mixture of galactan with short-length sugar chains, pectic polysacc

121 novel linear polysaccharide, designated PAM galactan, with the structure -->3)-beta-d-Galf-(1-->6)-b