The Effect of Hypoxia and Sulphide on Culture-Grown Wetland and Non-Wetland Plants

Pearson, Jennifer; Havill, D. C.

doi:10.1093/jxb/39.4.431

Cited by 46 publications

(42 citation statements)

References 18 publications

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“…A decrease in the activity of root metallo-enzymes has been postulated as the phytotoxic effect of HzS (Allam and Hollis 1972;Havill et al 1985;Pearson and Havill 1988) primarily because important oxidalses such as cytochrome oxidase -the terminal enzyme in the electron transport chain of aerobic respiration-are inhibited by sulfide. Wetland macrophytes growing in anoxrc, waterlogged soils, where H,S can accumulate often exhibit anoxic root metabolism., however, which is believed to contribute to energy production (e.g.…”

Section: Discussionmentioning

confidence: 99%

Mechanism for the hydrogen sulfide‐induced growth limitation in wetland macrophytes

Koch

Mendelssohn

McKee

1990

Limnology & Oceanography

302

162

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Hydrogen sulfide, a phytotoxin that often accumulates in anoxic marine and freshwater marsh soils, suppressed the activity of alcohol dehydrogenase (ADH), the enzyme that catalyzes the terminal step in alcoholic fermentation, in the roots of two wetland macrophytes. This inhibition of root ADH activity with increasing sulfide concentration was associated with decreases in root total adenine nucleotide pool (ATP + ADP + AMP), the adenylate energy charge ratio (AEC), nitrogen uptake (percent recovery of rSNH,+-N) and growth (leaf elongation). These responses were species-specific with a greater negative impact in the freshwater marsh species that naturally inhabits low-sulfide environments. These findings lend support to the hypotheses that ADH activity, as a mcasurc of fermcntative metabolism, is important in maintaining the root energy status of wetland plants under hypoxic-anoxic conditions, that there is a significant negative effect of H,S on the anoxic production of energy in these roots, and that an important negative effect of H,S on plant growth is an inhibition of the energy-dependent process of N uptake.

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Section: Discussionmentioning

confidence: 99%

Mechanism for the hydrogen sulfide‐induced growth limitation in wetland macrophytes

Koch

Mendelssohn

McKee

1990

Limnology & Oceanography

302

162

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“…However, waterlogging stress also results in part from the presence of S2-, and the effects of low Eh alone are not as severe as the effect of low Eh and sulfides on photosynthesis (Pezeshki et al 1988) and growth (Pearson and Havill 1988). The rate of reduction of SOd2-to S2-is partially dependent on the availability of SO, 2- (Nedwell 1982), and the SOd2-concentration increases from fresh to brackish to saline marshes (Brupbacher et al 1973).…”

Section: Discussionmentioning

confidence: 99%

CO²emission and soil Eh responses to different hydrological conditions in fresh, brackish, and saline marsh soils

Nyman

DeLaune

1991

Limnology & Oceanography

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The effects of various water-table depths during continuous and simulated tidal drainage on CO, emissions and soil Eh were examined in intact fresh, brackish, and saline marsh soil cores. CO, emissions did not differ between continuous and tidal drainage. CO, emissions were greatest in fresh cores and least in brackish cores at all water-table depths tested. Eh was higher in brackish cores and lower in fresh and saline cores at all water-table depths tested. Eh increased with decreasing water-table depth and increased more during continuous drainage than during tidal drainage. These results exclude the possibility that reported differences in field measurements of CO, emission among fresh, brackish, and saline marsh soils relate to different hydrological conditions in the marsh types; they also mdicate that fundamental differences in decomposition processes and soil Eh exist among these marsh types. Although not tested, differences were attributed to the different species of emergent vegetation occupying the different marsh types and which arc the sources of soil organic matter.

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“…This result suggested the affinity of cytochrome c oxidase to 02 may not affect appreciably the affinity of roots. Pearson and Havill (1988) reported that hypoxia did not affect the cytochrome c oxidase activity. These results suggest that the cytochrome c oxidase is not involved in the Oz uptake efficiency.…”

Section: Discussionmentioning

confidence: 99%

“…High ability of taking up a low oxygen concentration in soil may promote flooding tolerance. There are several reports about root oxygen uptake and root elongation under hypoxia (Saglio et al 1984;Pearson and Havill 1988;Drew 1992).…”

mentioning

confidence: 99%

Comparison of growth and oxygen uptake rate of detached moots under hypoxia between rice and wheat

Ikeda

Nakamura

1996

Soil Science and Plant Nutrition

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The Effect of Hypoxia and Sulphide on Culture-Grown Wetland and Non-Wetland Plants

Cited by 46 publications

References 18 publications

Mechanism for the hydrogen sulfide‐induced growth limitation in wetland macrophytes

Mechanism for the hydrogen sulfide‐induced growth limitation in wetland macrophytes

CO²emission and soil Eh responses to different hydrological conditions in fresh, brackish, and saline marsh soils

Comparison of growth and oxygen uptake rate of detached moots under hypoxia between rice and wheat

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The Effect of Hypoxia and Sulphide on Culture-Grown Wetland and Non-Wetland Plants

Cited by 46 publications

References 18 publications

Mechanism for the hydrogen sulfide‐induced growth limitation in wetland macrophytes

Mechanism for the hydrogen sulfide‐induced growth limitation in wetland macrophytes

CO2emission and soil Eh responses to different hydrological conditions in fresh, brackish, and saline marsh soils

Comparison of growth and oxygen uptake rate of detached moots under hypoxia between rice and wheat

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Product

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CO²emission and soil Eh responses to different hydrological conditions in fresh, brackish, and saline marsh soils