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  • Open Access

    ARTICLE

    Identification of phytohormone changes and its related genes under abiotic stresses in transgenic rice

    Mohammad UBAIDILLAH1,2, Miswar FAPERTA1,2, Kyung-Min KIM1

    BIOCELL, Vol.43, No.3, pp. 215-224, 2019, DOI:10.32604/biocell.2019.07549

    Abstract Abiotic stresses, such as drought and salinity, adversely affect plant growth and productivity. Comparison between non transgenic and transgenic rice harboring CaMsrB2 gene, which induces tolerance to abiotic stress, is important to observe response of gene under abiotic stress. Phytohormone showed a tendency to increase under the drought stress or salinity stress in the transgenic plant. RT-PCR analysis showed that gene expression and phytohormone levels under abiotic stress, to be closely related. The CaMsrB2 gene is related to the expression of JA and ABA hormones. Therefore, the level of expression of these genes and hormones was More >

  • Open Access

    REVIEW

    Targeting Glycinebetaine for Abiotic Stress Tolerance in Crop Plants: Physiological Mechanism, Molecular Interaction and Signaling

    Mirza Hasanuzzaman1,*, Aditya Banerjee2, M. H. M. Borhannuddin Bhuyan3,4, Aryadeep Roychoudhury2,*, Jubayer Al Mahmud5 and Masayuki Fujita3

    Phyton-International Journal of Experimental Botany, Vol.88, No.3, pp. 185-221, 2019, DOI:10.32604/phyton.2019.07559

    Abstract In the era of climate change, abiotic stresses (e.g., salinity, drought, extreme temperature, flooding, metal/metalloid(s), UV radiation, ozone, etc.) are considered as one of the most complex environmental constraints that restricts crop production worldwide. Introduction of stress-tolerant crop cultivars is the most auspicious way of surviving this constraint, and to produce these types of tolerant crops. Several bioengineering mechanisms involved in stress signaling are being adopted in this regard. One example of this kind of manipulation is the osmotic adjustment. The quarternary ammonium compound glycinebetaine (GB), also originally referred to as betaine is a methylated… More >

  • Open Access

    ARTICLE

    Influence of Plant Growth Promoting Rhizobacterial Inoculation on Wheat Productivity Under Soil Salinity Stress

    Muhammad Zafar-ul-Hye1,*, Tariq Shahzad Bhutta1, Muhammad Shaaban1, Shahid Hussain1, Muhammad Farooq Qayyum1, Umar Aslam1 and Zahir Ahmad Zahir2

    Phyton-International Journal of Experimental Botany, Vol.88, No.2, pp. 119-129, 2019, DOI:10.32604/phyton.2019.06570

    Abstract Soil salinity affects the growth and yield of crops. The stress of soil salinity on plants can be mitigated by inoculation of plant growth promoting bacteria (PGPR). The influence of PGPR inoculation on wheat (Triticum aestivum L.) crop productivity under salinity stress has not been properly addressed so far. Therefore, the present study was conducted to investigate the effects of various PGPR strains (W14, W10 and 6K; alone and combined) at several growth attributes of wheat plant under different soil salinity gradients (3, 6 and 9 dS m-1). The growth attributes of wheat (height, roots, More >

  • Open Access

    ARTICLE

    Salinity induced anatomical and morphological changes in Chloris gayana Kunth roots

    GABRIEL CÉCCOLI*1, JULIO C. RAMOS1, LEANDRO I. ORTEGA2 , JUAN M. ACOSTA1, MARIEL G. PERRETA1

    BIOCELL, Vol.35, No.1, pp. 9-17, 2011, DOI:10.32604/biocell.2011.35.009

    Abstract Chloris gayana Kunth is a grass species valuable as forage which was introduced into Argentina to be used as pasture in saline soils of subtropical and warm-temperate zones, given its good adaptability to drought, salinity and mild freezing. However, its tolerance varies according to the cultivar. In tetraploid cultivars, important reductions in yield have been observed. Here, a study of the variations produced on the root and stem system by salinity at different NaCl concentrations (0, 150 y 250 mM) was performed in the Boma cultivar, with the aim of determining the anatomical and morphological alterations More >

  • Open Access

    ARTICLE

    The use of sunflower transcription factors as biotechnological tools to improve yield and stress tolerance in crops

    Chan RL

    Phyton-International Journal of Experimental Botany, Vol.78, pp. 5-10, 2009, DOI:10.32604/phyton.2009.78.005

    Abstract Transcription factors (TFs) are proteins able to specifically recognize DNA sequences in the regulatory regions of their target genes. They bind these specific sequences, an event that leads to the activation or repression of whole signal transduction pathways. In plants about 1500 TFs were informatically identified; identification was mainly based in the presence of DNA-binding domains in the translated sequences. They were classified in families and subfamilies according to several features, including the conservation of the DNA binding domain, the genes structures and the functions they exert. Among transcription factors, several seem to be potential… More >

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