Ethylene Directly Inhibits Foliar Gas Exchange in <i>Glycine max</i>

Gunderson, Carla A.; Taylor, George

doi:10.1104/pp.95.1.337

Cited by 43 publications

(27 citation statements)

References 15 publications

(46 reference statements)

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“…Christmann and Fremzel (1997) suggested that acceleration of needle senescence is related to hormone balance between ethylene and indole-3-acetic acid. Ethylene also has an effect in decreasing the gl (Gunderson and Taylor 1991;Willmer and Fricker 1996). Under experimental conditions, Kobayashi et al (2002) showed close relationships between ethylene emission from needles and declines in Pn and gl when the rate of ·OH photoformation in morning dew was high on the needle surface of pine seedlings.…”

Section: Physiological Relationshipsmentioning

confidence: 95%

Seasonal changes in needle water content and needle ABA concentration of Japanese red pine, Pinus densiflora, in declining forests on Mt. Gokurakuji, Hiroshima prefecture, Japan

et al. 2006

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To evaluate the effects of air pollution on the decline of Pinus densiflora forests, various research has been conducted around Mt. Gokurakuji (34 degrees 23'N, 132 degrees 19'E, 693 m a.s.l.) north of the Seto Inland Sea, west Japan. To investigate the mechanisms responsible for decreases in photosynthesis (Pn) and stomatal conductance (gl), delta13C of needles and seasonal changes in the water content (WC) and abscisic acid concentration (ABA) of needles were measured in various stands. The delta13C values were less negative in declining stands and younger needles. ABA and WC were not correlated with each other. WC decreased consistently with needle age while the ABA showed a minimum in August and a smaller content in older needles. Monthly precipitation and the daily maximum vapor pressure were not correlated with ABA and WC. In declining stands, WC and ABA tended to be higher and lower, respectively, than in nondeclining stands. These results suggest that the trees in declining stands received less water stress than those in nondeclining stands and the differences in gl and delta13C are not caused by the difference in water stress. The possibilities of the effects of air pollution and the infection of pine-wood nematode on the physiological decline on the pine needles are discussed.

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Section: Physiological Relationshipsmentioning

confidence: 95%

Seasonal changes in needle water content and needle ABA concentration of Japanese red pine, Pinus densiflora, in declining forests on Mt. Gokurakuji, Hiroshima prefecture, Japan

et al. 2006

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“…Although the role of ethylene in stomatal behaviour has been suggested, its effect in this process seems rather contradictory (Acharya & Assmann 2009;Wilkinson & Davies 2010). In some species, ethylene induces stomatal opening and/or inhibits ABA-induced stomatal closure, or induces stomatal sensitivity to stresses/cues in which ABA is the normal signal for the given stomatal response (Madhavan et al 1983;Levitt et al 1987;Merritt et al 2001;Mills et al 2009;Benlloch-Gonza´lez et al 2010), whereas in other species it induces closure (Pallas & Kays 1982;Giulivo 1986;Tissera & Ayres 1986;Gunderson & Taylor 1991;Young et al 2004;Desikan et al 2006;He et al 2011).…”

Section: Introductionmentioning

confidence: 99%

Ethylene inhibits abscisic acid-induced stomatal closure inVicia fabavia reducing nitric oxide levels in guard cells

She

Song

2012

New Zealand Journal of Botany

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The relationship between nitric oxide (NO) reduction and the inhibition of abscisic acid (ABA)-induced stomatal closure by ethylene was analysed. ABA treatment induced NO production and stomatal closure, but ethylene inhibited the effects of ABA on these two parameters. Like 2-(4-carboxyphenyl)-4,4,5,5-tetramethylimidazoline-1-oxyl-3-oxide (cPTIO), a specific scavenger of NO, haemoglobin (Hb), the potent scavenger of NO/carbon monoxide (CO) and N G -nitro-LArg-methyl ester (L-NAME), an inhibitor of animal nitric oxide synthases (NOS; EC 1.14.13.39), both the ethylene-releasing compound 2-chloroethylene phosphonic acid (ethephon, ETH) and 1-aminocyclopropane-1-carboxylic acid (ACC), the immediate precursor of ethylene, were found to inhibit stomatal closure by ABA and to reduce NO levels by ABA in guard cells, indicating that the ethylene-caused inhibition of ABA-induced stomatal closure involves a decrease in NO levels in guard cells. In addition, and similar to cPTIO and Hb, ACC/ETH suppressed sodium nitroprusside (SNP)-induced stomatal closure and NO levels in guard cells treated with SNP in the light. ACC/ETH also reopened stomata that had been closed by ABA and reduced NO levels that had been generated by ABA, showing that ethylene causes NO removal in guard cells. However, the above-mentioned effect of ACC/ETH was dissimilar to that of L-NAME, which was incapable of reducing NO levels by SNP or abolishing NO that had been generated by ABA. We suggest that ethylene probably induces NO removal, thereby reducing NO levels in Vicia faba guard cells, and finally inhibits stomatal closure induced by ABA. Furthermore, the pattern of NO reduction caused by ethylene is also discussed.

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“…Merr. ), mustard (Brassica juncea L.), and cotton [40]- [43]. A relation between decreased photosystem I and II activity to increased proteolysis and decreased chlorophyll content was found by using ethephon-treated isolated chloroplasts [44].…”

Section: Discussionmentioning

confidence: 99%

Effect of 1-MCP on Cotton Plants under Abiotic Stress Caused by Ethephon

Chen¹,

Cothren²,

Chen³

et al. 2014

AJPS

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Many environmental stress factors have been identified to increase square and boll abscission and thus result in reduced cotton yield. Under stress conditions, ethylene is elicited. Ethylene peaks before abscission to promote the formation of the abscission layer and plays a major role in early season square and boll abortion in cotton (Gossypium hirsutum L.). In addition, ethylene stimulates the leaf senescence process. Thus, it is desirable to protect plants from ethylene-induced fruit loss and premature leaf senescence under stress conditions. The objective of this study was to evaluate the ability of 1-methylcyclopropene (

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Ethylene Directly Inhibits Foliar Gas Exchange in Glycine max

Cited by 43 publications

References 15 publications

Seasonal changes in needle water content and needle ABA concentration of Japanese red pine, Pinus densiflora, in declining forests on Mt. Gokurakuji, Hiroshima prefecture, Japan

Seasonal changes in needle water content and needle ABA concentration of Japanese red pine, Pinus densiflora, in declining forests on Mt. Gokurakuji, Hiroshima prefecture, Japan

Ethylene inhibits abscisic acid-induced stomatal closure inVicia fabavia reducing nitric oxide levels in guard cells

Effect of 1-MCP on Cotton Plants under Abiotic Stress Caused by Ethephon

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