ライフサイエンスコーパス: beta-amylase

1 of this recalcitrant substrate to maltose by beta-amylase.

2 and the parameters were optimized to enrich beta-amylase.

3 ased after the predigestion of starch with a beta-amylase.

4 n or with inhibition of starch hydrolysis by beta-amylase.

5 h content or in the activities of alpha- and beta-amylase.

6 enes, Ee-BAM1 and Ee-BAM2, could encode this beta-amylase.

7 beta-maltose liberated from maltoheptose by beta-amylase.

8 was not observed for any of the other eight beta-amylases.

9 uence showing high similarity to other plant beta-amylases.

10 This involves the synergistic action of beta-amylase 1 (BAM1) and alpha-amylase 3 (AMY3)-enzymes

11 The reduced beta-amylase 1 (ram1) mutation lies in the gene encoding

12 al drought resistance related genes, such as beta-amylase 1 and YUCCA7.

13 ating that despite the low alpha-amylase and beta-amylase activities compared to barley malt ~ 90 % o

14 n in vitro was achieved when both AtAMY3 and beta-amylase activities were present, suggesting that th

15 Starch concentrations, beta-amylase activities, and beta-amylase mRNA levels we

16 Starch levels, beta-amylase activities, and beta-amylase transcripts we

17 mutation results in almost complete loss of beta-amylase activity in rosette leaves and inflorescenc

18 var. Columbia with greatly reduced levels of beta-amylase activity is reported here.

19 These results suggest that little to no beta-amylase activity is required to maintain normal sta

20 ur results show no clear association between beta-amylase activity or transcript abundance and starch

21 ram1 mutation is responsible for most of the beta-amylase activity present in these tissues.

22 r, total amylolytic activity, and alpha- and beta-amylase activity were measured.

23 e germination-related enzymes alpha-amylase, beta-amylase and beta-glucanase varied by a factor of tw

24 The enriched enzyme was identified as a beta-amylase and its molecular weight was 60.1kDa.

25 The great abundance of beta-amylase and its unexpected patterns of gene express

26 the main starch-degrading enzymes alpha- and beta-amylase and limit dextrinase.

27 nal proteins, globulin 3A and 3C, chitinase, beta-amylase and LMW glutenins, were identified from the

28 Y8 RNAi plants, consistent with the roles of beta-amylase and maltose in transitory starch metabolism

29 However, expression differences of beta-amylases and GLUCAN-WATER DIKINASE1 were not statis

30 on bam1 and bam3 We propose that LSF1 binds beta-amylases at the starch granule surface, thereby pro

31 Starch degradation in chloroplasts requires beta-amylase (BAM) activity, which is encoded by a multi

32 (Arabidopsis thaliana) genome contains nine beta-amylase (BAM) genes, some of which play important r

33 ant BZR1-BAM transcription factors contain a beta-amylase (BAM)-like domain, characteristic of protei

34 LSF1 interacts with the beta-amylases BAM1 and BAM3, and the BAM1-LSF1 complex s

35 Here, we report successful immobilization of beta-amylase (bamyl) from peanut (Arachis hypogaea) onto

36 It has been suggested that beta-amylase (BMY) induction during temperature stress i

37 sativa L.) roots contain large quantities of beta-amylase, but little is known about its role in vivo

38 We studied this by isolating a beta-amylase cDNA and by examining signals that affect i

39 The beta-amylase cDNA encoded a 55.95-kD polypeptide with a

40 olism (beta-galactosidase, beta-glucosidase, beta-amylase, chitinase, pectate lyase (PL), pectinester

41 The fact that beta-amylases degrade starch in vitro suggests that they

42 of Abrus precatorius were used to extract a beta-amylase enriched fraction.

43 bited heightened levels of alpha-amylase and beta-amylase enzymes compared to conventional commercial

44 A purely exo-acting thermostable beta-amylase from Clostridium thermosulfurogenes (CTB) w

45 cient hydrolysis of native starch by a novel beta-amylase from peanut (Arachis hypogaea).

46 uires gelatinization for maltose production, beta-amylase from peanut could be a useful alternative i

47 es, expression of a specific Euphorbia esula beta-amylase gene (Ee-BAM1) increased 100-fold after gro

48 Furthermore, increased expression of the beta-amylase gene in leaves and storage roots also accel

49 Thus, polysaccharide hydrolases (e.g., beta-amylase) generate the largest rate enhancements tha

50 opsis genome contains nine known or putative beta-amylase genes, the fact that the ram1 mutation resu

51 beta-Amylases have also been suggested to prevent the ac

52 beta-Amylase immobilization onto GO-CNT (bamyl@GO-CNT) a

53 lies in the gene encoding the major form of beta-amylase in Arabidopsis.

54 Therefore, beta-amylase induction and the resultant maltose accumul

55 C and cold shock at 5 degrees C showed that beta-amylase induction correlated with maltose accumulat

56 A number of studies have demonstrated beta-amylase induction in response to abiotic stress.

57 Southern analysis indicated that beta-amylase is present as a multigene family in alfalfa

58 g several starch-degrading enzymes including beta-amylase, isoamylase 3, and alpha-amylase was also r

59 Starch is degraded primarily by beta-amylases, liberating maltose, but this activity is

60 concentrations, beta-amylase activities, and beta-amylase mRNA levels were measured in roots of alfal

61 meters affecting immobilisation of Fenugreek beta-amylase on chitosan coated PVC (polyvinyl chloride)

62 nalyses, the biological function(s) of plant beta-amylases remains unclear.

63 he activity of endo-amylase (alpha-amylase), beta-amylase, starch phosphorylase, maltase, pullulanase

64 Since the action of already known plant beta-amylases (sweet potato and soybean) on native starc

65 on reserves, as documented through increased beta-amylase transcript levels and associated starch hyd

66 Alfalfa roots contain greater beta-amylase transcript levels compared with roots of sw

67 beta-Amylase transcript levels increased in roots betwee

68 beta-Amylase transcript was high in roots of intact plan

69 Starch levels, beta-amylase activities, and beta-amylase transcripts were reduced significantly in r

70 The beta-amylase treatment significantly increased the compl

71 e starch complexes with linoleic acid when a beta-amylase treatment was applied to acetylated and deb

72 A significant stabilization of the beta-amylase was observed up to 65 degrees C.