MARC details
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02480nam a2200277Ia 4500 |
| 003 - CONTROL NUMBER IDENTIFIER |
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MX-MdCICY |
| 005 - DATE AND TIME OF LATEST TRANSACTION |
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20250625153911.0 |
| 040 ## - CATALOGING SOURCE |
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| Transcribing agency |
CICY |
| 090 ## - LOCALLY ASSIGNED LC-TYPE CALL NUMBER (OCLC); LOCAL CALL NUMBER (RLIN) |
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| Classification number (OCLC) (R) ; Classification number, CALL (RLIN) (NR) |
B-12845 |
| 008 - FIXED-LENGTH DATA ELEMENTS--GENERAL INFORMATION |
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250602s9999 xx |||||s2 |||| ||und|d |
| 245 10 - TITLE STATEMENT |
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| Title |
Partial Characterization of the Signaling Pathway for the Nitrate-Dependent Expression of Genes for Nitrogen-Assimilatory Enzymes Using Detached Maize Leaves |
| 490 0# - SERIES STATEMENT |
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| Volume/sequential designation |
Plant & Cell Physiology, 38(7), p.837-843, 1997 |
| 520 3# - SUMMARY, ETC. |
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| Summary, etc. |
We have studied the regulation of the nitrate-dependent expression of genes for the nitrogen-assimilatory enzymes, nitrate reductase (NR), nitrite reductase (NiR), glutamine synthetase (GS)and glutamate synthase (GOGAT), using detached leaves of maize plants that were grown with a limited supply of nitrate. In the detached leaves, transcripts of genes for NR, NiR, plastidic GS (GS2), ferredoxin- GOGAT (Fd-GOGAT)and NADH-GOGAT accumulated upon treatment of detached leaves with nitrate. The kinetics of accumulation was similar for all transcripts but the amount accumulated was smaller for the transcripts of genes for both GOGATs. Experiments with cordycepin and cycloheximide suggested that, in leaves, the response of the various genes to nitrate is regulated transcriptionally and that the induction does not involve the synthesis of novel protein(s)in the cytosol. The significant repression of the expression of the genes for NR, NiR, GS2, and GOGATs in response to nitrate after pretreatment with EGTA or La3+ ions suggested that Ca2+ ions are involved, at least to some extent, in the signal transduction and that the induction of nitrogen-assimilatory genes by nitrate is regulated in the same or similar manner. Furthermore, the effects of inhibitors of protein kinases and protein phosphatases on the nitrate-dependent accumulation of the transcripts of genes for NR, NiR and GS2, suggested the involvement of protein phosphorylation in the regulation of the levels of transcripts of these genes. |
| 650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM |
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| Topical term or geographic name entry element |
CALCIUM ION |
| 650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM |
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GENE EXPRESSION |
| 650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM |
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GLUTAMATE SYNTHASE |
| 650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM |
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| Topical term or geographic name entry element |
GLUTAMINE SYNTHETASE |
| 650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM |
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| Topical term or geographic name entry element |
NITROGEN-ASSIMILATORY GENES |
| 650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM |
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| Topical term or geographic name entry element |
ZEA MAYS |
| 700 12 - ADDED ENTRY--PERSONAL NAME |
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| Personal name |
Sakakibara, H. |
| 700 12 - ADDED ENTRY--PERSONAL NAME |
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| Personal name |
Kobayashi, K. |
| 700 12 - ADDED ENTRY--PERSONAL NAME |
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| Personal name |
Deji, A. |
| 700 12 - ADDED ENTRY--PERSONAL NAME |
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| Personal name |
Sugiyama, T. |
| 856 40 - ELECTRONIC LOCATION AND ACCESS |
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| Uniform Resource Identifier |
<a href="https://drive.google.com/file/d/1nn-CNVsia56utzJu1Itie7hWgpXRJXA6/view?usp=drivesdk">https://drive.google.com/file/d/1nn-CNVsia56utzJu1Itie7hWgpXRJXA6/view?usp=drivesdk</a> |
| Public note |
Para ver el documento ingresa a Google con tu cuenta: @cicy.edu.mx |
| 942 ## - ADDED ENTRY ELEMENTS (KOHA) |
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| Source of classification or shelving scheme |
Clasificación local |
| Koha item type |
Documentos solicitados |
