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  • 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

    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 15, 12, and 4 genes,… 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

    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 matter in the soil tend… 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

    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. Due to the extensive dependence… 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

    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 analysis.… 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

    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 have been classified into 17… 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

    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 rosmarinic acid, flavonoids and lignin,… More >

  • Open Access

    ARTICLE

    Effect of UV Radiation and Other Abiotic Stress Factors on DNA of Different Wild Plant Species Grown in Three Successive Seasons in Alpine and Subalpine Regions

    Svetla P. Gateva1,*, Gabriele Jovtchev1, Tsveta V. Angelova1, Tzvetana P. Nonova2, Nikolay Tyutyundzhiev3, Elena G. Geleva2, Kostadin Katrandzhiev1, Nina A. Nikolova2, Dimitar Dimitrov4, Christo V. Angelov2

    Phyton-International Journal of Experimental Botany, Vol.91, No.2, pp. 293-313, 2022, DOI:10.32604/phyton.2022.016397

    Abstract Plants in natural ecosystems are exposed to a combination of UV radiation, ionizing radiation (IR) and other abiotic factors. These factors change with the altitude. We investigated DNA alterations of some wild plants of different plant families in natural ecosystems at three altitudes in Rila Mountain, Bulgaria (1500, 1782, and 2925 m above sea level (a.s.l.) exposed to UV radiation, IR and other abiotic stresses, to assess the tolerance of plant species to the changing environmental conditions in three successive growth seasons. For this purpose, physicochemical, cytogenetic, and molecular methods were applied. DNA damage was assessed by micronucleus test and molecular… More >

  • Open Access

    ARTICLE

    Identification of PtGai (a DELLA protein) in trifoliate orange and expression patterns in response to drought stress

    XIAOFEN CHENG1, ABEER HASHEM2,3, ELSAYED FATHI ABD_ALLAH4, QIANGSHENG WU1,5,*, KAMIL KUČA5,*

    BIOCELL, Vol.45, No.6, pp. 1687-1694, 2021, DOI:10.32604/biocell.2021.017581

    Abstract Gibberellins (GAs) are an important hormone in regulating plant growth and development, and DELLA protein is an essential negative regulator of GA signal transduction. The aim of the study was to clone a GA-inhibiting protein DELLA from trifoliate orange (Poncirus trifoliata L. Raf.) and to analyze the bioinformations and expression patterns of the protein gene in tissues and in response to drought stress. A DELLA protein was isolated from trifoliate orange and named as PtGai (Genebank number: MZ170959). The PtGai protein had 1731 bp open reading frames, along with 576 amino acid codes, and also grouped with sweet orange (XM_006430552.4).… More >

  • Open Access

    REVIEW

    Morpho-Physiological, Biochemical and Molecular Adaptation of Millets to Abiotic Stresses: A Review

    Seerat Saleem1, Naveed Ul Mushtaq1, Wasifa Hafiz Shah1, Aadil Rasool1, Khalid Rehman Hakeem2,*, Reiaz Ul Rehman1,*

    Phyton-International Journal of Experimental Botany, Vol.90, No.5, pp. 1363-1385, 2021, DOI:10.32604/phyton.2021.014826

    Abstract Abiotic stresses such as drought, heat, cold, nutrient deficiency, excess salt and hazardous metals can hamper plantgrowth and development. Intensive agriculture of only a few major staple food crops that are sensitive and intolerant to environmental stresses has led to an agrarian crisis. On the other hand, nutritionally rich, gluten free and stress tolerant plants like millets are neglected and underutilized. Millets sustain about one-third of the world’s population and show exceptional tolerance to various abiotic and biotic stresses. Millets are C4 plants that are adapted to marginal and dry lands of arid and semi-arid regions, and survive low rainfall… More >

  • Open Access

    ARTICLE

    Genome-wide identification of WRKY gene family and expression analysis under abiotic stresses in Andrographis paniculata

    QICHAO WANG1, WUJING ZENG1, BASHARAT ALI2, XUEMIN ZHANG3, LING XU1,*, ZONGSUO LIANG1,*

    BIOCELL, Vol.45, No.4, pp. 1107-1119, 2021, DOI:10.32604/biocell.2021.015282

    Abstract Andrographis paniculata (A. paniculata) is a Chinese herbal medicine that clears away heat, reduces inflammation, protects the liver, and promotes choleretics. The WRKYs of A. paniculata are still not well characterized, although many WRKYs have been identified in various plant species. In the present study, 59 A. paniculata WRKY (ApWRKY) genes were identified and renamed on the basis of their respective chromosome distribution. These ApWRKYs were divided into three groups via phylogenetic analysis according to their WRKY domains and combined with WRKY of Arabidopsis. The 59 identified ApWRKY transcription factors were nonuniformity distributed on 23 chromosomes of A. paniculata. From… More >

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