Abstract
UV-B에 의한 강낭콩 식물의 피해양상, 지질과산화, 지질조성 변화와 UV-B에 대한 식물의 방어기작 등을 조사하기 위하여 3주간 UV-B 조사 실험을 수행하였다. UV-B 처리에 의해 초장이 약 22% 정도 감소하는 것으로 나타났다. MDA 함량은 UV-B 처리에 의해 약 50% 정도 증가하는 것으로 나타났다. Glutathione 및 ascorbate acid 함량은 UV-B 조사에 의해 산화형이 증가하고 환원형이 감소하는 것으로 나타났다. UV-B 조사에 의한 지방산 구성 변화를 조사한 결과 당지질 및 인지질 모두 UV-B조사에 의해 포화지방산이 증가하는 것에 반해, 불포화지방산이 감소하는 것으로 나타났다. 강낭콩 잎에는 주로 3종류의 polyamine이 존재하는 것으로 나타났으며, 3종류 모두 UV-B 조사에 의해 증가하는 것으로 나타났다. 본 실험 결과로 볼 때, UV-B 조사는 활성산소를 생성하여 생체막 지질에 직접적인 영향을 미치는 것으로 나타났으며, ascorbate acid, glutathione, polyamine 등의 항산화물질들이 이에 대한 피해를 최소화하기 위하여 작용하는 것으로 나타났다. To investigate the effects of UV-B on fatty acid composition, lipid peroxidation and biochemical defense responses of plant, kidney bean (Phaseolus vulgaris L.) was subjected to enhanced UV-B irradiation [daily dose : 0.02.(No UV-B) and 11.36 (enhanced UV-B) $kJ\;m^{-2};UV-B_{BE}$] for 3 weeks. UV-B drastically inhibited both height and dry weight of kidney bean. The content of malondialdehyde significantly increased by about 50% after 3 weeks of UV-B irradiation. The ratio of unsaturated to saturated fatty acids of kidney bean was increased by UV-B irradiation. Three major polyamines of kidney bean leaves : putrescine, spermidine and spermine, were observed. All of the polyamine contents were increased with UV-B irradiation. These results suggested that enhanced UV-B radiation caused oxidative stress on lipids and biochemical protection responses might be activated to prevent from damaging effects of oxidative stress generated by UV-B irradiation.
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Claims 11
Claim · model-written summary
Enhanced UV-B irradiation inhibited kidney bean height and dry weight relative to no UV-B.
- Taxon
- kidney bean
Phaseolus vulgarise1 - Treatment
- enhanced UV-B irradiatione2
- Outcome
- height and dry weighte1
- Direction
- inhibitede1
- Comparator
- No UV-Be2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“UV-B drastically inhibited both height and dry weight of kidney bean”
e2“subjected to enhanced UV-B irradiation [daily dose : 0.02.(No UV-B) and 11.36 (enhanced UV-B)”
Claim · model-written summary
UV-B treatment reduced kidney bean height by about 22%.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“UV-B drastically inhibited both height and dry weight of kidney bean”
e3“UV-B 처리에 의해 초장이 약 22% 정도 감소하는 것으로 나타났다”
Claim · model-written summary
Enhanced UV-B significantly increased malondialdehyde content by about 50%.
- Taxon
- kidney beanPhaseolus vulgarise1
- Treatment
- UV-B irradiatione4
- Outcome
- content of malondialdehydee4
- Direction
- significantly increasede4
- Value
- about 50%e4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“UV-B drastically inhibited both height and dry weight of kidney bean”
e4“The content of malondialdehyde significantly increased by about 50% after 3 weeks of UV-B irradiation”
Claim · model-written summary
UV-B increased the oxidized forms of glutathione and ascorbate acid in kidney bean.
- Taxon
- kidney beanPhaseolus vulgarise1
- Treatment
- UV-B 조사e6
- Compound
- Glutathionee6
- Outcome
- 산화형e6
- Direction
- 증가e6
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“UV-B drastically inhibited both height and dry weight of kidney bean”
e6“Glutathione 및 ascorbate acid 함량은 UV-B 조사에 의해 산화형이 증가하고 환원형이 감소하는 것으로 나타났다”
Claim · model-written summary
UV-B decreased the reduced forms of glutathione and ascorbate acid in kidney bean.
- Taxon
- kidney beanPhaseolus vulgarise1
- Treatment
- UV-B 조사e6
- Compound
- ascorbate acide6
- Outcome
- 환원형e6
- Direction
- 감소e6
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“UV-B drastically inhibited both height and dry weight of kidney bean”
e6“Glutathione 및 ascorbate acid 함량은 UV-B 조사에 의해 산화형이 증가하고 환원형이 감소하는 것으로 나타났다”
Claim · model-written summary
The ratio of unsaturated to saturated fatty acids of kidney bean increased with UV-B irradiation.
- Taxon
- kidney beanPhaseolus vulgarise1
- Treatment
- UV-B irradiatione7
- Outcome
- The ratio of unsaturated to saturated fatty acidse7
- Direction
- increasede7
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“UV-B drastically inhibited both height and dry weight of kidney bean”
e7“The ratio of unsaturated to saturated fatty acids of kidney bean was increased by UV-B irradiation”
Claim · model-written summary
UV-B increased saturated fatty acids in glycolipids and phospholipids of kidney bean.
- Taxon
- kidney beanPhaseolus vulgarise1
- Treatment
- UV-B조사e2
- Outcome
- 포화지방산e2
- Direction
- 증가e2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“UV-B drastically inhibited both height and dry weight of kidney bean”
e2“당지질 및 인지질 모두 UV-B조사에 의해 포화지방산이 증가하는 것에 반해, 불포화지방산이 감소하는 것으로 나타났다”
Claim · model-written summary
UV-B decreased unsaturated fatty acids in glycolipids and phospholipids of kidney bean.
- Taxon
- kidney beanPhaseolus vulgarise1
- Treatment
- UV-B조사e2
- Outcome
- 불포화지방산e2
- Direction
- 감소e2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“UV-B drastically inhibited both height and dry weight of kidney bean”
e2“당지질 및 인지질 모두 UV-B조사에 의해 포화지방산이 증가하는 것에 반해, 불포화지방산이 감소하는 것으로 나타났다”
Claim · model-written summary
All polyamine contents of kidney bean increased with UV-B irradiation.
- Taxon
- kidney beanPhaseolus vulgarise1
- Treatment
- UV-B irradiatione2
- Outcome
- polyamine contentse2
- Direction
- increasede2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“UV-B drastically inhibited both height and dry weight of kidney bean”
e2“All of the polyamine contents were increased with UV-B irradiation”
Claim · model-written summary
Putrescine, spermidine and spermine were the three major polyamines of kidney bean leaves.
- Taxon
- kidney beanPhaseolus vulgarise1
- Organ / stage
- leavese2
- Outcome
- Three major polyaminese2
- Qualifier
- putrescine, spermidine and sperminee2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“UV-B drastically inhibited both height and dry weight of kidney bean”
e2“Three major polyamines of kidney bean leaves : putrescine, spermidine and spermine, were observed”
Claim · model-written summary
Enhanced UV-B radiation appears to cause oxidative stress on lipids, with protective responses activated.
- Taxon
- kidney beanPhaseolus vulgarise1
- Treatment
- enhanced UV-B radiatione2
- Outcome
- oxidative stress on lipidse2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“UV-B drastically inhibited both height and dry weight of kidney bean”
e2“enhanced UV-B radiation caused oxidative stress on lipids”
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Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.