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1

Sinusoidal vibration alleviates salt stress by induction of antioxidative enzymes and anatomical changes in Mentha pulegium (L.)

100%
Ghalkhani E., Hassanpour H., Niknam V.
Acta Physiologiae Plantarum
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2020
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tom 42
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nr 03
2

Effect of salinity and waterlogging on growth, anatomical and antioxidative responses in Mentha aquatica L.

100%
Haddadi B. S., Hassanpour H., Niknam V.
Acta Physiologiae Plantarum
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2016
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tom 38
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nr 05
3

Evaluation of expression of endothelin A receptor gene in the follicular granulosa cells of broiler hens as related to variation of plasma leptin

100%
Hassanpour H., Ahmadi A. S., Zaghari M., Shivazad M.
Animal Science Papers and Reports
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2011
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tom 29
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nr 4
This study was designed to investigate levels of ETAR gene expression in the granulosa layer of broiler hens with different levels of plasma leptin and lipids (cholesterol and triacyglycerol). To induce different plasma leptin and lipid levels, the hens were fed high (20 and 40% more than recommended) and low (20% less than recommended) feed rations for 30 days. Variations of plasma leptin and lipids followed those found in the levels of feed intake and body weight in individual groups while the relative amount of ETAR mRNA increased in all groups. The effect, however, was significant (P<0.05) only for T+20% group. It is concluded that ETAR gene expression in follicular granulosa cells could be influenced by leptin in the broiler hens.
4

Effect of penconazole and drought stress on the essential oil composition and gene expression of Mentha pulegium L. (Lamiaceae) at flowering stage

88%
Hassanpour H., Khavari-Nejad R. A., Niknam V., Razavi K., Najafi F.
Acta Physiologiae Plantarum
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2014
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tom 36
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nr 05
Effect of penconazole (PEN) on the expression level of two genes in the biosynthesis pathway of monoterpenes, isopiperitenone reductase (iPR) and pulegone reductase (PR), and essential oil (EO) compounds were studied at flowering stage of Mentha pulegium L. under drought stress. Plants were grown with different levels of field capacity (100 and 50 %) with or without PEN (15 mg l⁻¹). Results showed that drought stress decreased the growth and productivity parameters. PEN treatment to drought-stressed plants decreased the negative effects of drought stress on these parameters. The EO yield increased by about 1.6 times under drought stress, and the highest amount of EO was obtained in drought-stressed with PEN. Drought stress increased pulegone and decreased menthone percentage, and the highest pulegone percentage (78.2 % of total constituents) was obtained in drought-stressed with PEN treatment. Semi-quantitative RT-PCR showed drought stress increased the expression level of iPR and PR genes. PEN treatment promoted the impact of drought stress on iPR gene expression and repressed PR gene expression. Our results suggest that PEN may be a useful tool for the regulation of monoterpene metabolism in M. pulegium under stress condition.
5

Effects of penconazole and water deficit stress on physiological and antioxidative responses in pennyroyal (Mentha pulegium L.)

88%
Hassanpour H., Khavari-Nejad R. A., Niknam V., Najafi F., Razavi K.
Acta Physiologiae Plantarum
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2012
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tom 34
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nr 4
The effects of penconazole (PEN) on physiological parameters and several antioxidative enzyme activities were investigated in pennyroyal (Mentha pulegium L.) under water deficit stress. Six weeks after sowing, plants were grown under soil moisture corresponding to 100, 75, 50, and 25% field capacity (FC) with or without PEN (15 mg l⁻¹) for next 4 weeks. The exogenous application of PEN to droughtstressed plants increased some growth parameters, the relative water content (RWC), lipid peroxidation, electrolyte leakage, H₂O₂ content, activities of superoxide dismutase (SOD), peroxidase (POD), catalase (CAT), ascorbate peroxidase (APX), polyphenol oxidase (PPO), and the total phenol content. Native polyacrylamide gel electrophoresis (PAGE) indicated different isoform profiles under water deficit stress in non-PEN-treated and PEN-treated plants concerning antioxidant enzymes. A higher capacity for oxygen scavenging and phenolic content could possibly explain the ability of M. pulegium plants to grow at higher water stress under PEN treatment.
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