MARC details
| 000 -LEADER |
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| fixed length control field |
03231nam a22003257a 4500 |
| 003 - CONTROL NUMBER IDENTIFIER |
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| control field |
ZW-GwMSU |
| 005 - DATE AND TIME OF LATEST TRANSACTION |
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| control field |
20250320082130.0 |
| 008 - FIXED-LENGTH DATA ELEMENTS--GENERAL INFORMATION |
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| fixed length control field |
250320b |||||||| |||| 00| 0 eng d |
| 022 ## - INTERNATIONAL STANDARD SERIAL NUMBER |
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| International Standard Serial Number |
0176-1617 |
| 040 ## - CATALOGING SOURCE |
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| Original cataloging agency |
MSU |
| Language of cataloging |
English |
| Transcribing agency |
MSU |
| Description conventions |
rda |
| 050 00 - LIBRARY OF CONGRESS CALL NUMBER |
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| Classification number |
QK711.2 JOU |
| 100 1# - MAIN ENTRY--PERSONAL NAME |
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| Personal name |
Lobo, Ana Karla Moreira |
| Relator term |
author |
| 245 10 - TITLE STATEMENT |
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| Title |
Exogenous sucrose supply changes sugar metabolism and reduces photosynthesis of sugarcane through the down-regulation of Rubisco abundance and activity |
| Statement of responsibility, etc. |
created by Ana Karla Moreira Lobo, Marcio de Oliveira Martins, Milton Costa Lima Neto, Eduardo Caruso Machado, Rafael Vasconcelos Ribeiro and Joaquim Albenisio Gomes Silveira |
| 264 1# - PRODUCTION, PUBLICATION, DISTRIBUTION, MANUFACTURE, AND COPYRIGHT NOTICE |
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| Place of production, publication, distribution, manufacture |
Amsterdam: |
| Name of producer, publisher, distributor, manufacturer |
Elsevier GmbH, |
| Date of production, publication, distribution, manufacture, or copyright notice |
2015. |
| 336 ## - CONTENT TYPE |
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| Source |
rdacontent |
| Content type term |
text |
| Content type code |
txt |
| 337 ## - MEDIA TYPE |
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| Source |
rdamedia |
| Media type term |
unmediated |
| Media type code |
n |
| 338 ## - CARRIER TYPE |
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| Source |
rdacarrier |
| Carrier type term |
volume |
| Carrier type code |
nc |
| 440 ## - SERIES STATEMENT/ADDED ENTRY--TITLE |
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| Title |
Journal of Plant Physiology |
| Volume/sequential designation |
Volume 179 |
| 520 3# - SUMMARY, ETC. |
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| Summary, etc. |
Photosynthetic modulation by sugars has been known for many years, but the biochemical and molecular comprehension of this process is lacking. We studied how the exogenous sucrose supplied to leaves could affect sugar metabolism in leaf, sheath and stalk and inhibit photosynthesis in four-month old sugarcane plants. Exogenous sucrose 50mM sprayed on attached leaves strongly impaired the net CO2 assimilation (PN) and decreased the instantaneous carboxylation efficiency (PN/Ci), suggesting that the impairment in photosynthesis was caused by biochemical restrictions. The photosystem II activity was also affected by excess sucrose as indicated by the reduction in the apparent electron transport rate, effective quantum yield and increase in non-photochemical quenching. In leaf segments, sucrose accumulation was related to increases in the activities of soluble acid and neutral invertases, sucrose synthase and sucrose phosphate synthase, whereas the contents of fructose increased and glucose slightly decreased. Changes in the activities of sucrose hydrolyzing and synthesizing enzymes in leaf, sheath and stalk and sugar profile in intact plants were not enough to identify which sugar(s) or enzyme(s) were directly involved in photosynthesis modulation. However, exogenous sucrose was able to trigger down-regulation in the Rubisco abundance, activation state and enzymatic activity. Despite the fact that PN/Ci had been notably decreased by sucrose, in vitro activity and abundance of PEPCase did not change, suggesting an in vivo modulation of this enzyme. The data reveal that sucrose and/or other derivative sugars in leaves inhibited sugarcane photosynthesis by down-regulation of Rubisco synthesis and activity. Our data also suggest that sugar modulation was not exerted by a feedback mechanism induced by the accumulation of sugars in immature sugarcane stalk. |
| 650 ## - SUBJECT ADDED ENTRY--TOPICAL TERM |
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| Topical term or geographic name entry element |
CO(2) assimilation |
| 650 ## - SUBJECT ADDED ENTRY--TOPICAL TERM |
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| Topical term or geographic name entry element |
PEPCase activity |
| 650 ## - SUBJECT ADDED ENTRY--TOPICAL TERM |
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| Topical term or geographic name entry element |
Photosynthetic modulation |
| 700 1# - ADDED ENTRY--PERSONAL NAME |
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| Personal name |
Martins, Marcio de Oliveira |
| Relator term |
co-author |
| 700 1# - ADDED ENTRY--PERSONAL NAME |
|---|
| Personal name |
Neto, Milton Costa Lima |
| Relator term |
co-author |
| 700 1# - ADDED ENTRY--PERSONAL NAME |
|---|
| Personal name |
Machado, Eduardo Caruso |
| Relator term |
co-author |
| 700 1# - ADDED ENTRY--PERSONAL NAME |
|---|
| Personal name |
Ribeiro, Rafael Vasconcelos |
| Relator term |
co-author |
| 700 1# - ADDED ENTRY--PERSONAL NAME |
|---|
| Personal name |
Silveira, Joaquim Albenisio Gomes |
| Relator term |
co-author |
| 856 ## - ELECTRONIC LOCATION AND ACCESS |
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| Uniform Resource Identifier |
https://doi.org/10.1016/j.jplph.2015.03.007 |
| 942 ## - ADDED ENTRY ELEMENTS (KOHA) |
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| Source of classification or shelving scheme |
Library of Congress Classification |
| Koha item type |
Journal Article |