You need JavaScript to view this

Biochemical and cytological effects of sulphur dioxide on plant metabolism

Abstract

Biochemical effects of sulfur dioxide arise from its unique ability to act as an oxidizing or a reducing agent. Among some of the important metabolic effects are direct interference with photosynthetic CO/sub 2/ fixation (competitive inhibiton of ribulose diphosphate carbosylase by SO/sub 3/) and with energy metabolism (inhibition of mitochondrial ATP production by SO/sub 3//sup =/). Many indirect effects result from formation of sulfites and organic sulfonates with other cell constituents. These compounds can cause inhibition of a variety of metabolic enzyme systems. All these factors are probably instrumental in the gross disruption of chloroplast and mitochondrial ultrastructure. Injurious effects result when sulfur dioxide is taken up in excess of the capacity of the tissue to incorporate sulfur into the normal metabolic activities. The ubiquitous presence of small amounts of SO/sub 2/ and the subtle and varied nature of its biochemical effects suggest that crop losses to SO/sub 2/ pollution may be more widespread and serious than is generally suspected.
Publication Date:
Jan 01, 1976
Product Type:
Journal Article
Reference Number:
EDB-84-178973
Resource Relation:
Journal Name: New Phytol.; (United Kingdom); Journal Volume: 76
Subject:
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.; PLANTS; METABOLISM; SULFUR DIOXIDE; BIOLOGICAL EFFECTS; AIR POLLUTION; CHLOROPLASTS; CROPS; ENZYME ACTIVITY; INHIBITION; LOSSES; MITOCHONDRIA; PHOTOSYNTHESIS; ULTRASTRUCTURAL CHANGES; CELL CONSTITUENTS; CHALCOGENIDES; CHEMICAL REACTIONS; MORPHOLOGICAL CHANGES; ORGANOIDS; OXIDES; OXYGEN COMPOUNDS; PHOTOCHEMICAL REACTIONS; POLLUTION; SULFUR COMPOUNDS; SULFUR OXIDES; SYNTHESIS; 560303* - Chemicals Metabolism & Toxicology- Plants- (-1987)
OSTI ID:
6499483
Research Organizations:
Environment Canada, Edmonton, Alberta
Country of Origin:
United Kingdom
Language:
English
Other Identifying Numbers:
Journal ID: CODEN: NEPHA
Submitting Site:
HEDB
Size:
Pages: 227-237
Announcement Date:
Oct 01, 1984

Citation Formats

Malhotra, S S, and Hocking, D. Biochemical and cytological effects of sulphur dioxide on plant metabolism. United Kingdom: N. p., 1976. Web. doi:10.1111/j.1469-8137.1976.tb01456.x.
Malhotra, S S, & Hocking, D. Biochemical and cytological effects of sulphur dioxide on plant metabolism. United Kingdom. doi:10.1111/j.1469-8137.1976.tb01456.x.
Malhotra, S S, and Hocking, D. 1976. "Biochemical and cytological effects of sulphur dioxide on plant metabolism." United Kingdom. doi:10.1111/j.1469-8137.1976.tb01456.x. https://www.osti.gov/servlets/purl/10.1111/j.1469-8137.1976.tb01456.x.
@misc{etde_6499483,
title = {Biochemical and cytological effects of sulphur dioxide on plant metabolism}
author = {Malhotra, S S, and Hocking, D}
abstractNote = {Biochemical effects of sulfur dioxide arise from its unique ability to act as an oxidizing or a reducing agent. Among some of the important metabolic effects are direct interference with photosynthetic CO/sub 2/ fixation (competitive inhibiton of ribulose diphosphate carbosylase by SO/sub 3/) and with energy metabolism (inhibition of mitochondrial ATP production by SO/sub 3//sup =/). Many indirect effects result from formation of sulfites and organic sulfonates with other cell constituents. These compounds can cause inhibition of a variety of metabolic enzyme systems. All these factors are probably instrumental in the gross disruption of chloroplast and mitochondrial ultrastructure. Injurious effects result when sulfur dioxide is taken up in excess of the capacity of the tissue to incorporate sulfur into the normal metabolic activities. The ubiquitous presence of small amounts of SO/sub 2/ and the subtle and varied nature of its biochemical effects suggest that crop losses to SO/sub 2/ pollution may be more widespread and serious than is generally suspected.}
doi = {10.1111/j.1469-8137.1976.tb01456.x}
journal = {New Phytol.; (United Kingdom)}
volume = {76}
journal type = {AC}
place = {United Kingdom}
year = {1976}
month = {Jan}
}