Responses of the antioxidative enzymes in Malaysian rice (Oryza sativa L.) cultivars under submergence condition
The potential involvement of activated oxygen species by submergence stress was studied in two Malaysian rice cultivars, MR219-4 and MR219-9, and cultivar FR13A that is known to be tolerant to submergence. Seedlings of these three rice cultivars were subjected to different submergence periods (...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English English |
| Published: |
2010
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| Online Access: | http://psasir.upm.edu.my/id/eprint/11687/ http://psasir.upm.edu.my/id/eprint/11687/1/Responses%20of%20the%20antioxidative%20enzymes%20in%20Malaysian%20rice.pdf |
| _version_ | 1848841652806877184 |
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| author | Damanik, Revandy Iskandar Mahmood, Maziah Ismail, Mohd Razi Ahmad, Syahida Zain, Abd Mohd |
| author_facet | Damanik, Revandy Iskandar Mahmood, Maziah Ismail, Mohd Razi Ahmad, Syahida Zain, Abd Mohd |
| author_sort | Damanik, Revandy Iskandar |
| building | UPM Institutional Repository |
| collection | Online Access |
| description | The potential involvement of activated oxygen
species by submergence stress was studied in two
Malaysian rice cultivars, MR219-4 and MR219-9, and
cultivar FR13A that is known to be tolerant to submergence.
Seedlings of these three rice cultivars were subjected
to different submergence periods (4, 8, and
12 days). Under 8 days of complete submergence, FR13A
cultivar showed higher lipid peroxidation in terms of
malondialdehyde level and activities of antioxidative
enzymes, superoxide dismutase (SOD), catalase (CAT),
ascorbate peroxidase (APX), and glutathione reductase
(GR) when compared to the MR219-4 and MR219-9
cultivars. MR219-9 showed higher SOD, APX, and GR
activities after 12 days of submergence. The levels of
SOD activity indicated that detoxification of O2 - to H2O2
was maintained at a stable level throughout the submergence
stress until up to 8 days and increased rapidly at 12 days of submergence. The results indicated that tolerance
to submergence in rice is associated until 8 days
submergence for MR219-4 and FR13A cultivars. These
findings suggested that tolerance to submergence stress in
rice might be proven by increased the capacity of antioxidative
system. In addition, CAT activity has much
higher affinity for scavenges H2O2 than APX. Therefore,
ascorbate glutathione cycle might be more efficient to
scavenge H2O2. |
| first_indexed | 2025-11-15T07:46:39Z |
| format | Article |
| id | upm-11687 |
| institution | Universiti Putra Malaysia |
| institution_category | Local University |
| language | English English |
| last_indexed | 2025-11-15T07:46:39Z |
| publishDate | 2010 |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | upm-116872015-11-11T06:54:36Z http://psasir.upm.edu.my/id/eprint/11687/ Responses of the antioxidative enzymes in Malaysian rice (Oryza sativa L.) cultivars under submergence condition Damanik, Revandy Iskandar Mahmood, Maziah Ismail, Mohd Razi Ahmad, Syahida Zain, Abd Mohd The potential involvement of activated oxygen species by submergence stress was studied in two Malaysian rice cultivars, MR219-4 and MR219-9, and cultivar FR13A that is known to be tolerant to submergence. Seedlings of these three rice cultivars were subjected to different submergence periods (4, 8, and 12 days). Under 8 days of complete submergence, FR13A cultivar showed higher lipid peroxidation in terms of malondialdehyde level and activities of antioxidative enzymes, superoxide dismutase (SOD), catalase (CAT), ascorbate peroxidase (APX), and glutathione reductase (GR) when compared to the MR219-4 and MR219-9 cultivars. MR219-9 showed higher SOD, APX, and GR activities after 12 days of submergence. The levels of SOD activity indicated that detoxification of O2 - to H2O2 was maintained at a stable level throughout the submergence stress until up to 8 days and increased rapidly at 12 days of submergence. The results indicated that tolerance to submergence in rice is associated until 8 days submergence for MR219-4 and FR13A cultivars. These findings suggested that tolerance to submergence stress in rice might be proven by increased the capacity of antioxidative system. In addition, CAT activity has much higher affinity for scavenges H2O2 than APX. Therefore, ascorbate glutathione cycle might be more efficient to scavenge H2O2. 2010 Article PeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/11687/1/Responses%20of%20the%20antioxidative%20enzymes%20in%20Malaysian%20rice.pdf Damanik, Revandy Iskandar and Mahmood, Maziah and Ismail, Mohd Razi and Ahmad, Syahida and Zain, Abd Mohd (2010) Responses of the antioxidative enzymes in Malaysian rice (Oryza sativa L.) cultivars under submergence condition. Acta Physiologiae Plantarum, 32 (4). pp. 739-747. ISSN 0137‐5881 10.1007/s11738-009-0456-3 English |
| spellingShingle | Damanik, Revandy Iskandar Mahmood, Maziah Ismail, Mohd Razi Ahmad, Syahida Zain, Abd Mohd Responses of the antioxidative enzymes in Malaysian rice (Oryza sativa L.) cultivars under submergence condition |
| title | Responses of the antioxidative enzymes in Malaysian rice (Oryza sativa L.) cultivars under submergence condition |
| title_full | Responses of the antioxidative enzymes in Malaysian rice (Oryza sativa L.) cultivars under submergence condition |
| title_fullStr | Responses of the antioxidative enzymes in Malaysian rice (Oryza sativa L.) cultivars under submergence condition |
| title_full_unstemmed | Responses of the antioxidative enzymes in Malaysian rice (Oryza sativa L.) cultivars under submergence condition |
| title_short | Responses of the antioxidative enzymes in Malaysian rice (Oryza sativa L.) cultivars under submergence condition |
| title_sort | responses of the antioxidative enzymes in malaysian rice (oryza sativa l.) cultivars under submergence condition |
| url | http://psasir.upm.edu.my/id/eprint/11687/ http://psasir.upm.edu.my/id/eprint/11687/ http://psasir.upm.edu.my/id/eprint/11687/1/Responses%20of%20the%20antioxidative%20enzymes%20in%20Malaysian%20rice.pdf |