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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2021.1
- 수록면
- 349 - 357 (9page)
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Marine algae survive in a high sodium environment, however, they experience potassium deprivation in cells as a conse?quence. Our previous study demonstrated that genes from the marine species of macroalgae, Pyropia yezoensis, including the ammonium transporter, PyAMT1, and a β-carbonic anhydrase, PyβCA1, could complement a potassium-uptake defective Escherichia coli mutant. In the present study, various Pyropia genes were expressed in Arabidopsis to determine if Pyropia genes could enhance potassium-defciency tolerance in plants. Overexpression of PyAMT1, a nitrate transporter, PyNRT2.1, PyβCA1, and their Arabidopsis homologs in Arabidopsis, enhanced the tolerance of the transgenic plants to potassium starvation without altering potassium levels in the plants. A Pyropia coatomer gene, which is similar to the Arabidopsis coat protein complex I zeta subunit, also contributed to enhancing potassium defciency tolerance and increasing potassium accumulation in Arabidopsis. The Pyropia PyC5 gene does not have any known homologues in higher plants and lacks any known motifs or domains. PyC5-overexpressing Arabidopsis plants grew much better under potassium defciency conditions compared to control plants. Collectively, the results suggest that marine algae genes could be used as a novel source of genes to aid in the development of stress-tolerant plants.
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참고문헌 (48)
참고문헌 신청
Adams E / 2014 / Transport, signaling, and homeostasis of potassium and sodium in plants / J Integr Plant Biol 56:231~249
Adams E / 2017 / Selection and functional analysis of a Pyropia yezoensis ammonium transporter PyAMT1 in potassium deficiency / J Appl Phycol 29:2617~2626
Adams E / 2020 / Syringic acid alleviates cesiuminduced growth defect in Arabidopsis / Int J Mol Sci
Ahn SJ / 2004 / Expression of KT/KUP genes in Arabidopsis and the role of root hairs in K+ uptake / Plant Physiol 134:1135~1145
안희경 / 2015 / Physiological Functions of the COPI Complex in Higher Plants / Molecules and Cells 38(10):866~875
Adams E / 2017 / Selection and functional analysis of a Pyropia yezoensis ammonium transporter PyAMT1 in potassium deficiency / J Appl Phycol 29:2617~2626
Adams E / 2020 / Syringic acid alleviates cesiuminduced growth defect in Arabidopsis / Int J Mol Sci
Ahn SJ / 2004 / Expression of KT/KUP genes in Arabidopsis and the role of root hairs in K+ uptake / Plant Physiol 134:1135~1145
안희경 / 2015 / Physiological Functions of the COPI Complex in Higher Plants / Molecules and Cells 38(10):866~875
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