Plant Physiology and Biochemistry
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#1Xuhu Guo (SDU: Shanxi Datong University)
#2Jianguo Zhao (SDU: Shanxi Datong University)
Last. Jiaxian Wu (SDU: Shanxi Datong University)
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Abstract The nano-carbon graphene has unique structural and physicochemical properties, which are conducive to various biomedical applications. We assessed the effect of graphene oxide (GO) on tomato plants at the seedling and mature stages in terms of morphological and biochemical indices. GO treatment significantly improved the shoot/stem growth of tomato in a dose-dependent manner by increasing the cortical cells number, cross-sectional area, diameter and vascular-column area. In addition, GO...
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#1F.A.S. Hassan (Taif University)H-Index: 10
#2E.F. Ali (Taif University)H-Index: 9
Last. Ragia Mazrou (Menoufia University)H-Index: 2
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Abstract Chitosan nanoparticles (CSNPs) are non-toxic and biodegradable stimulants of growth and secondary metabolite production, which offer new routes to combat plant stress. Salinity is a common and significant abiotic stress that adversely affects plant growth and development. The possible benefits of CSNPs in salt stress mitigation have not yet been reported in Catharanthus roseus, an important source of anticancer alkaloids. Plants were exposed to 150 mM NaCl as a salt stress treatment, wh...
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#1Ning JiaH-Index: 4
#2Jing-Jing WangH-Index: 1
Last. Bei FanH-Index: 8
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Abstract Dendrobium candidum stems are used as Chinese medicine and functional food. Red stems of D. candidum are rich in anthocyanins, which attract pollinator insects, protect the plants against environmental stress, and improve human health. The regulatory mechanisms of anthocyanin biosynthesis and stem color differentiation in D. candidum are not fully understood. Using transcriptome profiling, we identified a basic helix–loop–helix transcription factor (DcTT8) involved in anthocyanin biosyn...
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Abstract The growth of Dendrobium nobile is often influenced by zinc. Here, D. nobile was regularly sprayed with different concentrations (0, 50, 100, 200, 400, 800, 1000, 2000 μmol L−1) of zinc to study its effect on the growth and biosynthesis of medicinal components. Samples were taken at 0, 7, 14, and 21 days to detect physiological and medicinal components. The results showed that the net photosynthetic rate, transpiration rate, stomatal conductance, and Chl A and Chl B levels of leaves fir...
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Abstract Over the last decade, silicon (Si) has been widely accepted as a beneficial element for plant growth. The advantages plant derives from the Si are primarily based on the uptake and transport mechanisms. In the present study, the Si uptake regime was studied in finger millet (Eleusine coracana (L). Gaertn.) under controlled and stress conditions. The finger millet can efficiently uptake Si and accumulate it by more than 1% of dry weight in the leaf tissues, thus categorized as a Si accum...
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#1Anh Quang Dinh (CAU: University of Kiel)
#2Asif Naeem (CAU: University of Kiel)
Last. Karl H. Mühling (CAU: University of Kiel)H-Index: 28
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Abstract Ammonium (NH4+) and nitrate (NO3-) conversely alter pH of the rooting medium, and thus differentially affect the equilibrium between boric acid and borate in soil solution. This can alter boron (B) uptake by plants, which is passive under high, but facilitated (boric acid) or active (borate) under low B supply. Therefore, the effect of NH4+ and NO3- forms was investigated on the growth, 10B uptake rate and accumulation, and expression of B transporters in Brassica napus grown with low (...
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#1E.F. Ali (Taif University)H-Index: 9
#2A.M. El-Shehawi (Alexandria University)
Last. F.A.S. Hassan (Tanta University)H-Index: 10
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Abstract Drought is a main abiotic stress that restricts plant growth and development. The increased global demand of anti-cancer alkaloids extracted from periwinkle (Catharanthus roseus) is mainly related to plant growth and development, which are severely affected by drought. Chitosan nanoparticles (CSNPs) have been used to boost plant growth and defense mechanism, however their impact to alleviate drought stress of C. roseus has not been investigated yet. In this study, control and stressed p...
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#1Mabel Delgado (UFRO: University of La Frontera)H-Index: 7
#2Carlos Henríquez-Castillo (Catholic University of the North)H-Index: 1
Last. Ariana Bertin-Benavides (UdeC: University of Concepción)H-Index: 1
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Abstract. Embothrium coccineum produces cluster roots (CR) to acquire sparingly soluble phosphorus (P) from the soil through the exudation of organic compounds. However, the physiological mechanisms involved in carbon drainage through its roots, as well as the gene expression involved in the biosynthesis of carboxylates and P uptake, have not been explored. In this work, we evaluated the relationship between carboxylate exudation rate and phosphoenolpyruvate carboxylase (PEPC) activity in roots ...
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#1Xinjian Zou (ZJNU: Zhejiang Normal University)
#2Ling Li (ZJNU: Zhejiang Normal University)
Last. Wenrong Chen (ZJNU: Zhejiang Normal University)
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Abstract Endosome trafficking has been reported to play an essential role in pollen tube polar growth and NtGNL1 (Nicotiana tabacum GNOM-LIKE 1) regulates the polar growth through endosome trafficking. However, the regulation network and detailed molecular mechanisms underlying endosome trafficking remain unclear. Here, comparative proteomic analysis was carried out to survey the overall effect of NtGNL1 on pollen tube polar growth and NtGNL1-dependent endosome trafficking. With multiple compara...
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#1Radia LourkistiH-Index: 2
#2Julie Oustric (University of Corsica Pascal Paoli)H-Index: 2
Last. Jérémie Santini (University of Corsica Pascal Paoli)H-Index: 4
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Polyploidy plays a major role in citrus plant breeding to improve the adaptation of polyploid rootstocks as well as scions to adverse conditions and to enhance agronomic characteristics. In Citrus breeding programs, triploidy could be a useful tool to react to environmental issues and consumer demands because the produced fruits are seedless. In this study, we compared the physiological, biochemical, morphological, and ultrastructural responses to water deficit of triploid and diploid citrus var...
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