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  • Open Access

    REVIEW

    Crop Improvement and Abiotic Stress Tolerance Promoted by Moringa Leaf Extract

    Md. Abir Ul Islam1, Juthy Abedin Nupur2, Charles T. Hunter3, Abdullah Al Mamun Sohag4, Ashaduzzaman Sagar5, Md. Sazzad Hossain6, Mona F. A. Dawood7,*, Arafat Abdel Hamed Abdel Latef8, Marián Brestič9,10, Md. Tahjib-UI-Arif4,*

    Phyton-International Journal of Experimental Botany, Vol.91, No.8, pp. 1557-1583, 2022, DOI:10.32604/phyton.2022.021556 - 14 April 2022

    Abstract Moringa leaf extract (MLE) has been shown to promote beneficial outcomes in animals and plants. It is rich in amino acids, antioxidants, phytohormones, minerals, and many other bioactive compounds with nutritional and growth-promoting potential. Recent reports indicated that MLE improved abiotic stress tolerance in plants. Our understanding of the mechanisms underlying MLE-mediated abiotic stress tolerance remains limited. This review summarizes the existing literature on the role of MLE in promoting plant abiotic stress acclimation processes. MLE is applied to plants in a variety of ways, including foliar spray, rooting media, and seed priming. Exogenous application More >

  • Open Access

    ARTICLE

    Genome-wide identification of U-box gene family and expression analysis under abiotic stresses in Salvia miltiorrhiza

    JIANMIN PAN1, XIN LI1, JUANJUAN LI1, HUI LIU2, ZHUONI HOU1, ZONGQI YANG1, LING XU1,*

    BIOCELL, Vol.46, No.7, pp. 1751-1762, 2022, DOI:10.32604/biocell.2022.019455 - 17 March 2022

    Abstract Plant U-box (PUB) E3 ubiquitin ligases play important roles in hormone signaling pathways and in response to different abiotic stresses, but little is known about U-box genes in Danshen (root of Salvia miltiorrhiza Bunge). Here, we identified and characterized 70 SmPUB genes based on its genome sequence. Phylogenetic analysis of U-box genes from S. miltiorrhiza and Arabidopsis suggested that they can be clustered into seven subgroups (I–VII). Typical U-box domains were found in all identified SmPUB genes through the analysis of conserved motifs. Moreover, qRT-PCR was applied to analyze the relative expression levels of U-box genes in S. miltiorrhiza roots and More >

  • Open Access

    REVIEW

    Screening and evaluation of chilli (Capsicum annuum L.) genotypes for waterlogging tolerance at seedling stage

    MD. REZWAN MOLLA1,2,4, MD. MOTIAR ROHMAN2,*, MD. ROBYUL ISLAM1,2, MIRZA HASANUZZAMAN3,*, LUTFUL HASSAN4

    BIOCELL, Vol.46, No.7, pp. 1613-1627, 2022, DOI:10.32604/biocell.2022.019243 - 17 March 2022

    Abstract Waterlogging is an illustrious abiotic stress and the constrictions it enforces on plant roots have negative effects on growth and development. This study was undertaken to investigate waterlogging stress tolerant potential in chilli (Capsicum annum L.) genotypes through evaluating morphological, physiological, biochemical and anatomical parameters. Thirty-five days old seedlings of 10 chilli genotypes were exposed to waterlogging stress maintaining water height 3–5 cm over the soil surface artificially for three days. This duration (36–38 DAE) was termed as waterlogging period, and subsequent withdrawal of waterlogging condition (39–45 DAE) was regarded as a recovery phase. Based on… More >

  • Open Access

    ARTICLE

    Proteomic Profiling and Protein-Protein Interaction Network Reveal the Molecular Mechanisms of Susceptibility to Drought Stress in Canola (Brassica napus L.)

    Reza Shokri-Gharelo1, Ali Bandehagh1,*, Mohammad Anwar Hossain2,*

    Phyton-International Journal of Experimental Botany, Vol.91, No.7, pp. 1403-1417, 2022, DOI:10.32604/phyton.2022.020431 - 14 March 2022

    Abstract Drought stress is one of the most important abiotic stresses that plants face frequently in nature. Under drought conditions, many morphological, physiological, and molecular aspects of plants are changed and as a result plants experience a remarkable reduction in growth, yield, and reproduction. To expand our understanding of the molecular basis of the plant response to drought stress, the proteomic profile and protein-protein network of canola (Brassica napus L.) were studied. The focus was to show molecular mechanisms related to canola susceptibility to drought stress. The experiment used a completely randomized design, implemented in a hydroponic… More >

  • Open Access

    ARTICLE

    The molecular characteristics of soybean ARR-B transcription factors

    HE LI1, RUNAN CHEN1, ZHONGCHENG CHEN1, JIAXIN LIN1, XIJUN JIN1, CHUNYUAN REN1, QIUSEN CHEN1, FENGQIONG CHEN1, GAOBO YU1,*, YUXIAN ZHANG1,2,*

    BIOCELL, Vol.46, No.6, pp. 1575-1592, 2022, DOI:10.32604/biocell.2022.018762 - 07 February 2022

    Abstract The Type-B authentic response regulator (ARR-Bs) gene family is one of the important plant-specific transcription factor families involved in variety of physiological processes. However, study of ARR-Bs gene family in soybean is limited. Genome-wide analysis and expression profiling of the ARR-Bs gene family were performed in the soybean genome. 31 ARR-Bs genes (namely GmARR-B1-31) were identified, containing conserved catalytic domains with protein lengths and molecular weights ranging from 246 to 699 amino acids (aa) and 28.30 to 76.86 kDa, respectively. Phylogenetic analysis grouped ARR-Bs genes into three clusters—Cluster I, Cluster II, and Cluster III—which included… More >

  • Open Access

    REVIEW

    Recent Developments to Mitigate Selenium Deficiency in Agricultural Eco-Systems

    Misbah Naz1, Rubab Shabbir2,17, Krishan K. Verma3, Anshu Rastogi4, Vishnu D. Rajput5, Talha Javed2,6, Muhammad Ammar Raza7, Kainat Asif8, Muhammad Aamir Iqbal9, Muhammad Imran10, Mohammad Sohidul Islam11, Khalid Rehman Hakeem12,13,*, Mehmet Firat Baran14, Ayman EL Sabagh15,16,*

    Phyton-International Journal of Experimental Botany, Vol.91, No.5, pp. 915-927, 2022, DOI:10.32604/phyton.2022.018688 - 24 January 2022

    Abstract

    Under changing climate, trace elements like selenium (Se) have emerged as vital constituent of agro-ecosystems enabling crop plants to off-set the adverse effects of suboptimal growth conditions. The available form of selenium is important for boosting its bioavailability to crop plants having varied agro-botanical traits and root architectural systems. As compared to selenite, the selenate has a weaker soil bonding, higher absorption in the soil solution which results in a comparatively absorption by plant roots. Various factors including dry climate, high pH, optimal ambient air temperature, less accumulation of water, and low concentration of organic

    More >

  • Open Access

    REVIEW

    Climate Change and Its Adverse Impacts on Plant Growth in South Asia: Current Status and Upcoming Challenges

    Mohammad Saidur Rhaman1,*, Tahjib-Ul-Arif2, Mohammad Golam Kibria3, Anamul Hoque3

    Phyton-International Journal of Experimental Botany, Vol.91, No.4, pp. 695-711, 2022, DOI:10.32604/phyton.2022.018898 - 09 December 2021

    Abstract Socioeconomic development, adaptive capacity of the population, and demographic conditions across the states of South Asia make it more vulnerable to climate change. South Asia is daily going to be more vulnerable to climate change and climatic variability. This region is facing multiple challenges in terms of climate change, dilapidation of ecosystems, and food insecurity. Climate is the primary determining factor for agricultural output, which unswervingly influences food production across the globe. South Asia is mainly an agricultural foundation based region and thus the economy of these regions directly depends on agriculture and agricultural production.… More >

  • Open Access

    ARTICLE

    Genome-Wide Analysis of Snapdragon WRKY and VQ Gene Families and Their Expression in Response to Drought and Cold Stresses

    Huaqiao Ding*, Lihui Mao, Qingcheng Zou, Wei Hu, Xuerui Cao, Qing Dong*

    Phyton-International Journal of Experimental Botany, Vol.91, No.4, pp. 773-789, 2022, DOI:10.32604/phyton.2022.018075 - 09 December 2021

    Abstract Snapdragon (Antirrhinum majus) is one of the most widely cultivated grass flowers in the world. WRKY transcription factors, VQ proteins and their interactions play crucial roles in plant response to abiotic stresses. However, little is known about WRKY and VQ gene families in snapdragon. In the present study, WRKY and VQ genes and their interactions were comprehensively analyzed in snapdragon using bioinformatics approaches, and their expression in response to drought and cold stresses was examined using real-time PCR. A total of 67 AmWRKY genes were identified in snapdragon, which were classified into different groups or subgroups based on phylogenetic… More >

  • Open Access

    REVIEW

    Mechanism of tobacco osmotin gene in plant responses to biotic and abiotic stress tolerance: A brief history

    HAKIM MANGHWAR1,#,*, AMJAD HUSSAIN2,#

    BIOCELL, Vol.46, No.3, pp. 623-632, 2022, DOI:10.32604/biocell.2022.017316 - 18 November 2021

    Abstract Plants are recurrently exposed to myriads of biotic and abiotic stresses leading to several biochemical and physiological variations that cause severe impacts on plant growth and survival. To overcome these challenges, plants activate two primary defense mechanisms, such as structural response (cell wall strengthening and waxy epidermal cuticle development) and metabolic changes, including the synthesis of anti-microbial compounds and proteins, especially the pathogenesis-related (PR) proteins. PR proteins are members of a super large family of defense proteins that exhibit antimicrobial activities. Their over-expression in plants provides tolerance to many abiotic and biotic stresses. PR proteins… More >

  • Open Access

    REVIEW

    Chlorogenic Acid Metabolism: The Evolution and Roles in Plant Response to Abiotic Stress

    Deka Reine Judesse Soviguidi1,2, Rui Pan1, Yi Liu1,2, Liping Rao1,2, Wenying Zhang1,*, Xinsun Yang2,*

    Phyton-International Journal of Experimental Botany, Vol.91, No.2, pp. 239-255, 2022, DOI:10.32604/phyton.2022.018284 - 26 September 2021

    Abstract During the evolution, plants acquired the ability to synthesize different phenylpropanoid compounds like chlorogenic acid (CGA), which plays vital roles in resistance mechanisms to abiotic stresses. These environmental factors, including heavy metal, cold, heat, ultraviolet (UV) light, drought, and salinity affect the plant physiological processes, resulting in massive losses of agriculture production. As plants evolve from green algae to bryophytes, ferns, gymnosperms and angiosperms, phenylpropanoids are produced and accumulated in different tissues, giving the plant the capacity to counteract the harmful effects of the adverse environments. Studies have been performed on the metabolic evolution of… More >

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