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  • Open Access


    Solving the Task Starvation and Resources Problem Using Optimized SMPIA in Cloud

    Mehran Mokhtari1, Homayun Motameni1,*, Peyman Bayat2

    Computer Systems Science and Engineering, Vol.42, No.2, pp. 659-675, 2022, DOI:10.32604/csse.2022.021729

    Abstract In this study, a new feature is added to the smart message passing interface (SMPI) approach (SMPIA) based on the prioritization method, which can completely eliminate the task starvation and lack of sufficient resources problems through prioritizing the tasks. The proposed approach is based on prioritizing the tasks and the urgency of implementation. Tasks are prioritized based on execution time, workload, the task with a more sensitive priority is executed earlier by the free source. The idea of demand-bound functions (DBFs) was extended to the SMPIA setting based on partitions and caps. For each task, two DBFs are constructed, DBFLO and… More >

  • Open Access


    Vital Parameters Assessments of Starvation Tolerance of in vitro Populus alba Culture

    Mohamed Fathy Ahmed1, Eman Zakaria Ahmed2, Salman Aloufi3, Mohammed Alqurashi3, Amal Alyamani3, Eman Fayad3, Eman Tawfik Hussien2,*

    Phyton-International Journal of Experimental Botany, Vol.91, No.4, pp. 889-902, 2022, DOI:10.32604/phyton.2022.018600

    Abstract Populus alba is a large woody deciduous plant. The plant has been introduced to shooting, then multiplication of rooting on Murashige and Skoog (MS) medium. This work was designed to estimate the effect of two factors (low levels of 1-Naphthaleneacetic acid NAA and sucrose) on P. alba response resulting in 6 treatments compared to the control, with twelve measured responses. There was a significant difference in some measurements in morphology, like plantlets fresh-weight, shoot-, root-length, and leaf number. In the physiological measurements, there were significant differences in all the measured parameters. The low concentrations of sucrose and media composition/power (MS… More >

  • Open Access


    EoPHR2, a Phosphate Starvation Response Transcription Factor, Is Involved in Improving Low-Phosphorus Stress Resistance in Eremochloa ophiuroides

    Ying Chen1,#, Chuanqiang Liu1,#, Qingqing He1, Jianjian Li2, Jingjing Wang2, Ling Li2, Xiang Yao2, Shenghao Zhou3, Haoran Wang2,*

    Phyton-International Journal of Experimental Botany, Vol.91, No.3, pp. 651-665, 2022, DOI:10.32604/phyton.2022.017633

    Abstract As a macronutrient, Phosphorus (P) takes many roles in plant growth and development. It should be significant to explore the molecular mechanism of low-phosphorus stress response of plants. Phosphate starvation response (PHR) transcription factors play important roles in response to phosphorus deficiency stress in plants. In this study, we isolated a gene related to the plant phosphorus signaling system from the acid-soil-resistant centipedegrass (Eremochloa ophiuroides [Munro] Hack.), termed EoPHR2. The subcellular localization of EoPHR2 protein was observed to be nuclear located. The expression patterns of EoPHR2 in different tissues and Al/Pi-stress conditions were analyzed by qRT-PCR, they suggested a potential… More >

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