Nitric oxide is involved in salicylic acid-induced flowering of Lemna aequinoctialis Welw.

• Autorzy: Khurana A. , Kumar R. , Babbar S.B.
• Języki publikacji: EN

Abstrakty

EN

Salicylic acid (SA) is a well-known inducer of flowering in Lemna under both non-inductive and inductive photoperiod conditions. However, the underlying mechanism is not well understood. Herein, we report for the first time that nitric oxide (NO) is partially involved in SAinduced flowering in L. aequinoctialis (Syn. L. paucicostata Hegelm.). Our results demonstrated that SA-induced flowering is significantly reduced by exogenous application of NO scavengers; 2-(4-carboxyphenyl)-4,4,5,5-tetramethylimidazoline-1-oxyl-3-oxide and methylene blue, nitric oxide synthase inhibitors; N-ω-nitro-L-arginine and N-ω-nitro-L-arginine-methyl ester hydrochloride, and nitrate reductase inhibitor; sodium tungstate in two strains of Lemna viz. 6746 and LP₆. Altogether our present findings shed a light on the new role of NO in SA-induced flowering and open interesting directions that need further investigation.

• Wydawca: -
• Czasopismo: Acta Physiologiae Plantarum
• Rocznik: 2014
• Tom: 36
• Numer: 10
• Opis fizyczny: p.2827-2833,fig.,ref.

Twórcy

autor

Khurana A.

• Department of Botany, University of Delhi, New Delhi, 110007, India
• Botany Department, Zakir Husain Delhi College, University of Delhi, New Delhi, 110002, India

autor

Kumar R.

• Repository of Tomato Genomics Resources, Department of Plant Sciences, University of Hyderabad, Hyderabad, 500046, India

autor

Babbar S.B.

• Department of Botany, University of Delhi, New Delhi, 110007, India

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Identyfikatory

DOI

10.1007/s11738-014-1600-2