Consumption of carbonyl sulphide (COS) by higher plant carbonic anhydrase (CA)

Protoschill‐Krebs, G.; Wilhelm, Christian; Kesselmeier, J.

doi:10.1016/1352-2310(96)00026-x

Cited by 168 publications

(182 citation statements)

References 43 publications

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“…As mentioned above, CA enzyme in vivo splits COS into CO 2 and H 2 S (Protoschill- Krebs et al, 1996). However, Bartell et al (1993) observed the emission of H 2 S only account for 1-2% of the sulfur deposited as COS to the soil/plant system and no H 2 S were detected in our above experiments, which were probably due to its high reactive activity on the surface of the soil.…”

Section: Article In Presscontrasting

confidence: 45%

“…Protoschill-Krebs et al pointed out that CA in vivo splits COS into CO 2 and H 2 S (Protoschill- Krebs et al, 1996). However, the emission of H 2 S only accounted for 1-2% of the sulfur deposited as COS to the soil/ plant system investigated by Bartell et al (1993).…”

Section: Introductionmentioning

confidence: 99%

“…Previous studies have indicated that carbonic anhydrase (CA) is the key enzyme for uptake of COS by different biological organisms (Bartell et al, 1993;Protoschill-Krebs et al, 1996;Kesselmeier et al, 1999;Kuhn and Kesselmeier, 2000;Kesselmeier and Hubert, 2002). Protoschill-Krebs et al pointed out that CA in vivo splits COS into CO 2 and H 2 S (Protoschill- Krebs et al, 1996).…”

Section: Introductionmentioning

confidence: 99%

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Uptake and conversion of carbonyl sulfide in a lawn soil

Liu

Geng

et al. 2007

Atmospheric Environment

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Carbonyl sulfide (COS) exchange fluxes between a lawn soil and the atmosphere as well as influencing factors (temperature and water content of soil) were investigated using a static cuvette. The optimal soil temperature and water content for COS consumption were about 298 K and 12.5%, respectively. The converting products of the consumed COS in the lawn soil were researched using in situ diffuse reflectance infrared Fourier transform spectroscopy (DRIFTS). The peaks of gas-phase products of CO 2 and surface HCO À 3 , HS À , SO 2À 3 , HSO À 3 , and SO 2À 4 species were observed. The possible mechanism of COS conversion in the lawn soil was discussed. The conversion rates of consumed COS into water-soluble sulfate in the lawn soil were studied by ion chromatography (IC). The experimental results show that about 50% sulfur from the soil consumed COS was eventually converted into water-soluble sulfate. r

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Section: Article In Presscontrasting

confidence: 45%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Uptake and conversion of carbonyl sulfide in a lawn soil

Liu

Geng

et al. 2007

Atmospheric Environment

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“…Once OCS molecules pass through the stomata of leaves, the uptake rate of OCS is controlled by reaction with carbonic anhydrase (CA) within the mesophyll, to produce H 2 S and CO 2 . CA is the same enzyme that hydrolyzes carbon dioxide (CO 2 ) in the first chemical step of photosynthesis (12).…”

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confidence: 99%

Seasonal fluxes of carbonyl sulfide in a midlatitude forest

Commane

Meredith

Baker

et al. 2015

Proc. Natl. Acad. Sci. U.S.A.

100

118

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Carbonyl sulfide (OCS), the most abundant sulfur gas in the atmosphere, has a summer minimum associated with uptake by vegetation and soils, closely correlated with CO 2 . We report the first direct measurements to our knowledge of the ecosystem flux of OCS throughout an annual cycle, at a mixed temperate forest. The forest took up OCS during most of the growing season with an overall uptake of 1.36 ± 0.01 mol OCS per ha (43.5 ± 0.5 g S per ha, 95% confidence intervals) for the year. Daytime fluxes accounted for 72% of total uptake. Both soils and incompletely closed stomata in the canopy contributed to nighttime fluxes. Unexpected net OCS emission occurred during the warmest weeks in summer. Many requirements necessary to use fluxes of OCS as a simple estimate of photosynthesis were not met because OCS fluxes did not have a constant relationship with photosynthesis throughout an entire day or over the entire year. However, OCS fluxes provide a direct measure of ecosystem-scale stomatal conductance and mesophyll function, without relying on measures of soil evaporation or leaf temperature, and reveal previously unseen heterogeneity of forest canopy processes. Observations of OCS flux provide powerful, independent means to test and refine land surface and carbon cycle models at the ecosystem scale.carbonyl sulfide | carbon cycle | sulfur cycle | stomatal conductance C arbonyl sulfide (OCS) is the most abundant sulfur gas in the atmosphere (1), and biogeochemical cycling of OCS affects both the stratosphere and the troposphere. The tropospheric OCS mixing ratio is between 300 and 550 parts per trillion (ppt) (1) (10 −12 mol OCS per mol dry air), decreasing sharply with altitude in the stratosphere (2). In times of low volcanic activity, the sulfur budget and aerosol loading of the stratosphere are largely controlled by transport and photooxidation of OCS from the troposphere (3). The processes regulating emission and uptake of OCS are thus important factors in determining how changes in climate and land cover may affect the stratospheric sulfate layer.Oceans are the dominant source of atmospheric OCS (4), with smaller emissions from anthropogenic and terrestrial sources, such as wetlands and anoxic soils (e.g., refs. 5 and 6) and oxic soils during times of heat or drought stress (e.g., refs. 7 and 8). The terrestrial biosphere is the largest sink for OCS (1, 4, 9, 10) with uptake by both oxic soils (e.g., ref. 11) and vegetation (e.g., ref. 9). Once OCS molecules pass through the stomata of leaves, the uptake rate of OCS is controlled by reaction with carbonic anhydrase (CA) within the mesophyll, to produce H 2 S and CO 2 . CA is the same enzyme that hydrolyzes carbon dioxide (CO 2 ) in the first chemical step of photosynthesis (12).Studies considering the large-scale atmospheric variability of OCS have linked OCS fluxes and the photosynthetic uptake of CO 2 for regional and global scales (1, 4, 13). Leaf-scale studies have confirmed the OCS link to photosynthesis (14, 15). Initial OCS ecosystem flux estimations w...

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“…Since 1933, when the CA gene was found in red blood cells, it has also been discovered in all types of mammalian histiocytes. In recent years, scientists have confirmed that CA gene exists in other living organisms, such as higher plants, prokaryotic and eukaryotic algae, bacteria, and other microorganisms [11][12][13] . According to its amino acid sequence and crystal structure, the known CA could be divided into three forms: α-CA, β-CA, and γ-CA.…”

Section: Introductionmentioning

confidence: 99%

Cloning of SjCA gene and its expression analysis on upland cottons

Kong

Zhao

et al. 2016

JBEI

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Acquisition of salt-tolerant genes from exogenous plants to improve cotton salt resistance has always been a hotspot of research on cotton salt resistance. However, the information regarding the method of conversion of living cotton pollens by portable gene gun technology is still little. Complete sequence information of the Carbonic Anhydrase (CA) gene was obtained from NCBI database, and its full ORF length sequence was cloned by RT-PCR technology. After the construction of pBI121-CA::GFP fusion expression vector, we used cotton pollens from upland cotton varieties Y-2067, ZA-23, and GZ-2, which have weaker autofluorescence, to conduct the research on the transient expression of cotton pollens in vivo via particle bombardment (gene gun technology). The results indicated that green fluorescence enhancement of the three kinds of cotton pollens was realized after the CA gene transformation, meaning that the CA gene expression level was increased. Besides, the salt tolerance germination ability of transgenic T1 seeds was also improved. Our research initially established a transient expression system of cotton pollen in vivo via particle bombardment technology, laying the theoretical foundation for further research of cotton genetic transformation and creation of cotton salt-tolerant germplasm.

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Consumption of carbonyl sulphide (COS) by higher plant carbonic anhydrase (CA)

Cited by 168 publications

References 43 publications

Uptake and conversion of carbonyl sulfide in a lawn soil

Uptake and conversion of carbonyl sulfide in a lawn soil

Seasonal fluxes of carbonyl sulfide in a midlatitude forest

Cloning of SjCA gene and its expression analysis on upland cottons

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