Effect of exogenously applied molybdenum on its absorption and nitrate metabolism in strawberry seedlings

Liu, Li; Xiao, Wei; Li, Ling; Li, Dongmei; Gao, Dongsheng; Zhu, Changliang; Fu, Xiling

doi:10.1016/j.plaphy.2017.03.015

Cited by 46 publications

(35 citation statements)

References 37 publications

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“…These observations suggest that Mo fertilizer has complementary effects to all N sources whether NO 3 − or NH 4 + in winter wheat. Most of the previous studies have repeatedly focused and reported the Mo and NO 3 − interactions in different crop plants (Kovács et al 2015;Liu et al 2017;Wen et al 2019); however, none of the studies has still explored the role of Mo application in regulating the oxidative stress tolerance in winter wheat cultivars under different N sources.…”

Section: Discussionmentioning

confidence: 99%

Molybdenum Application Regulates Oxidative Stress Tolerance in Winter Wheat Under Different Nitrogen Sources

Imran

Sun

Hussain

et al. 2020

J Soil Sci Plant Nutr

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Molybdenum (Mo), an essential microelement, may enhance the oxidative stress tolerance in plants. However, the efficacy of Mo might be variable with different forms of nitrogen (N) fertilizer. The present study was conducted to investigate the role of Mo application in regulating oxidative stress tolerance in winter wheat under different N sources. A hydroponic study was carried out comprising of two winter wheat cultivars '97003' and '97014' as Mo efficient and Mo inefficient, respectively, under two Mo levels (0 and 1 μM) and three different N sources (NO 3 , NH 4 NO 3 , or NH 4 +). Winter wheat plants supplied with different N sources accumulated superoxide anions (O 2 −), and malonaldehyde (MDA) contents in the order of NH 4 + > NO 3 > NH 4 NO 3 , suggesting that sole application of either N sources, especially sole NH 4 + source, may induce oxidative stress in winter wheat. However, Mo application decreased the MDA contents by 20.02%, 15.11%, and 25.89% in Mo-efficient cultivar and 30.75%, 23.79%, and 37.76% in Mo-inefficient cultivar under NO 3 , NH 4 NO 3 , and NH 4 + sources, respectively, while increased antioxidant enzyme activities and carotenoids and abscisic acid (ABA) contents up-regulated the expressions of TaAO and TaAba3 genes. Mo application regulated oxidative stress tolerance in winter wheat under different N sources through enhancing ABA production and ROS-scavenging enzymes. Mo-efficient '97003' winter wheat cultivar possesses a wider range of adaptability to withstand Mo-deficient conditions than Mo-inefficient '97014' cultivar.

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Section: Discussionmentioning

confidence: 99%

Molybdenum Application Regulates Oxidative Stress Tolerance in Winter Wheat Under Different Nitrogen Sources

Imran

Sun

Hussain

et al. 2020

J Soil Sci Plant Nutr

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“…Similarly, for Barbicou-beans (Canavalia brasiliensis), 3.30 t ha -1 of DM were found during flowering and 2.75 t ha -1 during maturation. Other factors, such as genetic differences in the absorption and use of Mo (Nie et al, 2014;Liu et al, 2017), as well as the time and form of Mo application, may also have contributed to these results.…”

Section: Resultsmentioning

confidence: 99%

Foliar application of molybdenum on cover crops and response of common beans in successive cultivation

et al. 2020

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“…In the aforementioned RNA-seq result, MOT1 and IRT1 mRNA accumulations were reduced in the osnlp4-1 (Supplemental Figure S3C). Molybdenum and iron have been reported to be essential for the activity of nitrate reductase through covalently bounding to specific domains of the enzyme (Liu et al, 2017b, Ford et al, 2016). We checked the mRNA expression levels of MOT1 , IRT1 and IRT2 in root via qRT-PCR.…”

Section: Resultsmentioning

confidence: 99%

OsNLP4is required for nitrate assimilation gene expressions and nitrate-dependent growth in rice

Wang

Hasegawa

Hayashi

et al. 2020

Preprint

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In plants, nitrate is important nutrient and signaling molecule that modulates the expression of many genes and regulates growth. In paddy grown rice, nitrogen is mostly supplied in the form of ammonium, but nitrate also shares substantial portion of available nitrogen. A number of nitrogen transporters and nitrate assimilation enzymes have been identified and functionally characterized. However, little is known about the nitrate sensor system and regulatory mechanisms of these nitrate related genes. In recent years, NIN-like proteins (NLPs) have been described as key transcription factors of nitrogen responses in Arabidopsis thaliana. But the functions of OsNLPs in rice are still elusive. Here we report the characterization of OsNLP4 to reveal its function in rice. Growths of OsNLP4 knockout mutants were reduced under the nitrate supply, but not under ammonium supply. The mRNA accumulation of genes involved in nitrate assimilation were declined significantly and nitrate uptake rate and nitrate reductase activity were also impaired in the mutants. Using rice protoplast transient expression system, OsNLP4-GFP fusion was localized to nucleus irrespective of nitrate conditions. OsNLP4 was also required for normal yield under paddy field conditions. We propose the OsNLP4 is essential for regulation of genes involved in nitrate assimilation and nitrate-dependent growth in rice.One sentence summaryThe osnlp4 mutants exhibit abnormal nitrate response and poor growth under nitrate supply and in paddy field conditions.

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Effect of exogenously applied molybdenum on its absorption and nitrate metabolism in strawberry seedlings

Cited by 46 publications

References 37 publications

Molybdenum Application Regulates Oxidative Stress Tolerance in Winter Wheat Under Different Nitrogen Sources

Molybdenum Application Regulates Oxidative Stress Tolerance in Winter Wheat Under Different Nitrogen Sources

Foliar application of molybdenum on cover crops and response of common beans in successive cultivation

OsNLP4is required for nitrate assimilation gene expressions and nitrate-dependent growth in rice

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