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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2008.1
- 수록면
- 337 - 343 (7page)
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초록· 키워드
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We generated transgenic tomato plants with Arabidopsis thaliana H+/cation exchanger gene (CAX4) by Agrobactrium-mediated transformation. We confirmed transgene copy number and transcription by Southern and Northern blot analyses. The intact CAX4-expressing tomato (Lycopersicon esculentum) fruits contained 63-71% more calcium (Ca2+) than wild-type fruits. Moreover, ectopic expression of CAX4 in tomato fruits did not show any significant increase of the four kinds of metallic cations analyzed (Mg2+, Fe2+, Mn2+, and Cu2+). The CAX4-expressing tomato plants including their fruits did not show any morphological alternations during whole growth period. These results suggest the enhanced Ca-substrate specificity of CAX4 exchanger in tomato. Therefore, intact CAX4 exchanger can be a useful tool for Ca2+ nutrient enrichment of tomato fruits with reduced accumulation of undesirable cations.
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참고문헌 (23)
참고문헌 신청
Bangerth F. / 1979 / Calcium-related physiological disorders of plants / Annu Rev Phytopathol 17 : 97 ~ 122
Bush D. S. / 1995 / Calcium regulation in plant cells and its role in signaling / Annu Rev Plant Physiol Plant Mol Biol 46 : 95 ~ 122
Cheng N. H. / 2002 / Characterization of CAX4, an Arabidopsis H+/Ca²+ antiporter / Plant Physiol 128 : 1245 ~ 1254
Cheng N. H. / 2005 / Functional association of Arabidopsis CAX1 and CAX3 is required for normal growth and ion homeostasis / Plant Physiol 138 : 2048 ~ 2060
Feagley S. E. / 1994 / Papermill sludge, phosphorous, potassium, and lime effect on clover grown on a mine soil / J Environ Qual 23 : 759 ~ 765
Bush D. S. / 1995 / Calcium regulation in plant cells and its role in signaling / Annu Rev Plant Physiol Plant Mol Biol 46 : 95 ~ 122
Cheng N. H. / 2002 / Characterization of CAX4, an Arabidopsis H+/Ca²+ antiporter / Plant Physiol 128 : 1245 ~ 1254
Cheng N. H. / 2005 / Functional association of Arabidopsis CAX1 and CAX3 is required for normal growth and ion homeostasis / Plant Physiol 138 : 2048 ~ 2060
Feagley S. E. / 1994 / Papermill sludge, phosphorous, potassium, and lime effect on clover grown on a mine soil / J Environ Qual 23 : 759 ~ 765
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