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The DOI matches its Crossref record; 37 of the 37 references it cites were found in a registry or an index.

Nitric Oxide Functions as a Signal in Salt Resistance in the Calluses from Two Ecotypes of Reed

Open access
Zhao, Liqun, Zhang, Feng, Guo, Jinkui, Yang, Yingli, Li, Beibei, Zhang, Lixin·2004·Plant Physiology

Abstract

Calluses from two ecotypes of reed (Phragmites communis Trin.) plant (dune reed [DR] and swamp reed [SR]), which show different sensitivity to salinity, were used to study plant adaptations to salt stress. Under 200 mm NaCl treatment, the sodium (Na) percentage decreased, but the calcium percentage and the potassium (K) to Na ratio increased in the DR callus, whereas an opposite changing pattern was observed in the SR callus. Application of sodium nitroprusside (SNP), as a nitric oxide (NO) donor, revealed that NO affected element ratios in both DR and SR calluses in a concentration-dependent manner. Nω-nitro-l-arginine (an NO synthase inhibitor) and 2-phenyl-4,4,5,5-tetramethyl-imidazoline-1-oxyl-3-oxyde (a specific NO scavenger) counteracted NO effect by increasing the Na percentage, decreasing the calcium percentage and the K to Na ratio. The increased activity of plasma membrane (PM) H+-ATPase caused by NaCl treatment in the DR callus was reversed by treatment with Nω-nitro-l-arginine and 2-phenyl-4,4,5,5-tetramethyl-imidazoline-1-oxyl-3-oxyde. Western-blot analysis demonstrated that NO stimulated the expression of PM H+-ATPase in both DR and SR calluses. These results indicate that NO serves as a signal in inducing salt resistance by increasing the K to Na ratio, which is dependent on the increased PM H+-ATPase activity.

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Metadata

Authors
Zhao, L., Zhang, F., Guo, J., Yang, Y., Li, B., & Zhang, L.
Venue
Plant Physiology
Published
2004-02-01
Volume
134
Issue
2
Pages
849-857
ISSN
  • 0032-0889 (ISSN-L)
  • 1532-2548
OpenAlex
W2155194833
Cited by
435
References
37
FWCI
16.87
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Nitric Oxide Functions as a Signal in Salt Resistance in the Calluses from Two Ecotypes of Reed. https://app.cochat.ai/papers/10.1104/pp.103.030023
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Zhao, L., Zhang, F., Guo, J., Yang, Y., Li, B., & Zhang, L. (2004). Nitric Oxide Functions as a Signal in Salt Resistance in the Calluses from Two Ecotypes of Reed. Plant Physiology. https://doi.org/10.1104/pp.103.030023

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