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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국원예학회 HORTICULTURE ENVIRONMENT and BIOTECHNOLOGY HORTICULTURE ENVIRONMENT and BIOTECHNOLOGY Vol.49 No.1
- 발행연도
- 2008.2
- 수록면
- 13 - 19 (7page)
이용수
초록· 키워드
오류제보하기
Seashore paspalum (Paspalum vaginatum Swartz) is a warm season turfgrass recognized as the most salt tolerant among the turfgrass species. This experiment was designed to analyze carbohydrate components in a salt tolerant ecotype HI 101 of seashore paspalum turfgrass, which was grown in a nutrient solution at EC<SUB>w</SUB>50 (50 dSㆍm?¹) salinized with a sea-salt mixture (i.e., sea water = 54 dSㆍm?¹). Freeze-dried and ground aerial parts were extracted in 80% or 100% methanol, which were further hydrolyzed for a composition analysis by using a GC or GC-MS method. A GC method for detecting carbohydrate types showed that HI101 contained small amounts of arabinose (3.6 mole%), xylose (2.6%), mannose (1.2%), and glucuronic acid (5.1%), while the major components were galactose and glucose at 18 and 70%, respectively. Another alditol acetate method (GC-MS), for detection of neutral sugars, also indicated different kinds of carbohydrate with a higher amount of galactose (17 mole%) and glucose (62%), as well as minor carbohydrates such as xylose (7.8%), arabinose (4.7%), rhamnose (4.4%), and mannose (3.9%). In the previous analysis, some sucrose, fructose, myo-inositol, and glucose had already been accounted for; thus, the major peak might be a hexose galactose which was positively accumulated in the HI 101 with increasing salinity and incorporated into a cell-wall polysaccharide, revealing it as a compatible solute and osmoprotectant. The calculated solute potential by galactose and glucose was -2.5 and -12.4 bar, respectively, which accounted for 10 and 48% of a solute potential decrease at the 50 dSㆍm?¹ salinity level.
목차
Abstract
Introduction
Materials and Methods
Results
Discussion
Acknowledgement
Literature Cited
참고문헌 (26)
참고문헌 신청
Adams, M.A. / 2005 / Salt tolerance in Eucalyptus spp.: identity and response of putative osmolytes / Plant Cell Env 28:772~787
Alarcon, J.J / 1993 / Water relations and osmotic adjustment in Lycopersicon esculentum and L. pennellii during short-term salt exposure and recovery / Physiol. Plant 89:441~447
Anjum, F. / 2000 / Compatibility of osmolytes with Gibbs energy of stabilization of protein / Biochimica Biophysica Acta 1476:75~84
Bartels, D / 2005 / Drought and salt tolerance in plants / Critical Reviews in Plant Sciences 24:23~58
Bohnert, H.J. / 1999 / Transformation and compatible solutes / Scientia Hort 78:237~260
Alarcon, J.J / 1993 / Water relations and osmotic adjustment in Lycopersicon esculentum and L. pennellii during short-term salt exposure and recovery / Physiol. Plant 89:441~447
Anjum, F. / 2000 / Compatibility of osmolytes with Gibbs energy of stabilization of protein / Biochimica Biophysica Acta 1476:75~84
Bartels, D / 2005 / Drought and salt tolerance in plants / Critical Reviews in Plant Sciences 24:23~58
Bohnert, H.J. / 1999 / Transformation and compatible solutes / Scientia Hort 78:237~260
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