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1 he maize (Zea mays) cisZOG1 gene prefers cis-zeatin.
2 s of 46 and 96 microM, respectively, for cis-zeatin and a pH optimum of 7.5.
3                                         Both zeatin and BR induce dramatic changes in signaling and m
4 is of plant responses to two plant hormones, zeatin and brassinosteroid (BR).
5 ighlighted the largely differing response to zeatin and brassinosteroid by the metabolic pathways in
6 ory elements in plants and suggests that cis-zeatin and derivatives may be more important in cytokini
7 ed levels of other plant hormones, including zeatin and indole-3-acetic acid, are observed in BGL-1 l
8 se of triploids, and significantly increased zeatin and isopentenyladenine in the apical buds and thi
9                        Recent reports of cis-zeatin and its derivatives as the predominant cytokinin
10 ted mostly at the trans isomer, although cis-zeatin and its riboside occur as major components in som
11         The AHK4 receptor responded to trans-zeatin and m-topolin, while the ZmHK1 receptor responded
12 ile the ZmHK1 receptor responded also to cis-zeatin and o-topolin.
13 ttuce seed germination) and absence of trans-zeatin and trans-zeatin riboside (the most active cytoki
14 he maize enzyme recognizes as substrates cis-zeatin and UDP-glucose but not cis-ribosylzeatin, trans-
15  the formation of O-xylosylzeatin from trans-zeatin and UDP-xylose in immature seeds of Phaseolus vul
16                       Glycosyl conjugates of zeatin are found in many plant tissues and are considere
17 unatus ZOG1 gene has high affinity for trans-zeatin as the substrate, whereas the enzyme encoded by t
18 ng N(6)-(delta(2)-isopentenyl)adenine, trans-zeatin, benzyladenine, kinetin, and thidiazuron inhibite
19 wed higher levels of dihydrozeatin and trans-zeatin but not iP.
20                   The enzyme is inhibited by zeatin, by 2,4-dichlorophenoxy-acetic acid, by IAA-myo-i
21  strain synthesized: indole-3-acetic acid, t-zeatin, c-zeatin, kinetin, gibberellin A(1), abscisic ac
22                                          cis-Zeatin, cis-zeatin riboside, and their O-glucosides were
23 show that Pi-starved plants increase the cis-zeatin (cZ) : trans-zeatin (tZ) ratio.
24 treatment, but 2,3,5-triiodobenzoic acid and zeatin enhanced transcript accumulation after 30 d in ro
25                           The O-glucoside of zeatin, found in all plants examined, is considered to b
26                                          cis-Zeatin has traditionally been viewed as an adjunct with
27 g the formation of O-glycosyl derivatives of zeatin have been characterized, O-glucosyltransferase an
28       Biosynthesis and metabolism studies of zeatin have been directed mostly at the trans isomer, al
29 onjugants, confirmed by PCR, did not contain zeatin in their tRNAs and did not secrete zeatin into th
30 in zeatin in their tRNAs and did not secrete zeatin into the medium, findings which are consistent wi
31                                        trans-Zeatin is a major and ubiquitous cytokinin in higher pla
32 clear indication that O-glucosylation of cis-zeatin is a natural metabolic process in maize.
33                                              Zeatin is a naturally occurring cytokinin.
34                                              Zeatin is rapidly metabolized to O-xylosylzeatin in Phas
35                                              Zeatin is the most active and ubiquitous form of the nat
36                                              Zeatin is the most active and ubiquitous of the naturall
37  are consistent with the hypothesis that all zeatin is tRNA derived rather than synthesized de novo.
38                            We identified the zeatin isolated as the trans isomer by HPLC and by a rad
39 nthesized: indole-3-acetic acid, t-zeatin, c-zeatin, kinetin, gibberellin A(1), abscisic acid, salicy
40 ing an O-glucosyltransferase specific to cis-zeatin lends further support to this view.
41 rom Agrobacterium, which primarily increases zeatin levels, Sho expression in petunia and tobacco esp
42 rly stages of infection, and anthocyanin and zeatin metabolisms are upregulated in resistant plants.
43                     Recently, the ZOG1 gene (zeatin O-glucosyltansferase) was isolated from P. lunati
44                        The enzyme UDPglucose:zeatin O-glucosyltransferase (EC 2.4.1.203) was previous
45 e sequence of the gene ZOG1 encoding a trans-zeatin O-glucosyltransferase from Phaseolus (EC ), a cis
46                                              Zeatin O-xylosyltransferase (EC 2.4.2.-) mediates the fo
47                                          The zeatin O-xylosyltransferase mediating this conversion, a
48   Based on the ZOG1 sequence, the ZOX1 gene (zeatin O-xylosyltransferase) was cloned from P. vulgaris
49 -fold in the presence of exogenously applied zeatin-O-glucoside conjugate, indicating the release of
50                          Glucosides of trans-zeatin occur widely in plant tissues, formed either by O
51  produced pseudonodules after treatment with zeatin or 2,3,5-triiodobenzoic acid, an auxin transport
52 e treated with exogenous cytokinin (1 microM zeatin) or auxin (30 nM 2,4-dichlorophenoxyacetic acid).
53 UDP-glucose but not cis-ribosylzeatin, trans-zeatin, or trans-ribosylzeatin.
54                 To confirm that the secreted zeatin originated from tRNA, we mutated the miaA gene of
55 ification, we obtained 22 to 111 ng of trans-zeatin per liter from culture filtrates of four PPFM lea
56 or coffee characterization were theobromine, zeatin, phenylacetaldehyde, 2-acetyl-1-pyrroline, chloro
57 re filtrates, suggesting that secreted trans-zeatin resulted from tRNA turnover rather than from de n
58 metabolic processes within the nodule (e.g., zeatin, riboflavin, and purine synthesis).
59 ation) and absence of trans-zeatin and trans-zeatin riboside (the most active cytokinins) in TMB-trea
60 mutation does not cause a decrease in the CK zeatin riboside in the xylem sap or a strong increase in
61 igher levels of trans-zeatin riboside, trans-zeatin riboside monophosphate and isopentenyladenine 9-g
62        Smaller and variable amounts of trans-zeatin riboside were also recovered.
63  IAA-myo-inositol and IAA-glucan, but not by zeatin riboside, and only weakly by gibberellic acid, ab
64                              cis-Zeatin, cis-zeatin riboside, and their O-glucosides were detected in
65 ntrol water presented mainly cytokinin trans-zeatin riboside, procyanidin dimer, caffeoylshikimic aci
66 -D plants accumulated higher levels of trans-zeatin riboside, trans-zeatin riboside monophosphate and
67 g very high levels of the O-glucoside of cis-zeatin riboside.
68 cubation period and the use of the cytokinin zeatin riboside.
69                                  Whether cis-zeatin serves as a precursor to the active trans-isomer
70                                        These zeatin-specific genes and their promoters will be useful
71 cosyltransferase from Phaseolus (EC ), a cis-zeatin-specific O-glucosyltransferase was isolated from
72                                          For zeatin, the metabolic pathways in sucrose and starch bio
73 mbinant protein efficiently converts labeled zeatin to O-glucosylzeatin and has properties similar to
74 ering profiles were indicative of additional zeatin-type CKs in decapitated stems being supplied by r
75  plants increase the cis-zeatin (cZ) : trans-zeatin (tZ) ratio.
76  strongly impairs the translocation of trans-zeatin (tZ)-type cytokinins from roots to shoots, thereb
77 igenic preprotein was processed, and labeled zeatin was converted to O-xylosylzeatin in transgenic pl
78                                        trans-Zeatin was recovered from tRNA hydrolysates in addition
79    Although the first naturally produced CK, zeatin, was isolated almost four decades ago, no endogen
80 WT roots and shoots, and growth responses to zeatin were comparable.