Biological control of Erwinia mallotivora, the causal agent of papaya dieback disease by indigenous seed-borne endophytic lactic acid bacteria consortium
Dieback disease caused by Erwinia mallotivora is a major threat to papaya plantation in Malaysia. The current study was conducted to evaluate the potential of endophytic lactic acid bacteria (LAB) isolated from papaya seeds for disease suppression of papaya dieback. Two hundred and thirty isolates w...
| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
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Public Library of Science
2019
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| Online Access: | http://psasir.upm.edu.my/id/eprint/80819/1/PAPAYA.pdf |
| _version_ | 1796980815596355584 |
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| author | Mohd Hashim, Amalia Mohd Jaini, Mohammad Fahrulazri Mohd Taha, Mariam Dayana Abdul Rahim, Raha Saidi, Noor Baity Md Shah, Umi Kalsom |
| author_facet | Mohd Hashim, Amalia Mohd Jaini, Mohammad Fahrulazri Mohd Taha, Mariam Dayana Abdul Rahim, Raha Saidi, Noor Baity Md Shah, Umi Kalsom |
| author_sort | Mohd Hashim, Amalia |
| collection | UPM |
| description | Dieback disease caused by Erwinia mallotivora is a major threat to papaya plantation in Malaysia. The current study was conducted to evaluate the potential of endophytic lactic acid bacteria (LAB) isolated from papaya seeds for disease suppression of papaya dieback. Two hundred and thirty isolates were screened against E. mallotivora BT-MARDI, and the inhibitory activity of the isolates against the pathogen was ranging from 11.7–23.7 mm inhibition zones. The synergistic experiments revealed that combination of W. cibaria PPKSD19 and Lactococcus lactis subsp. lactis PPSSD39 increased antibacterial activity against the pathogen. The antibacterial activity was partially due to the production of bacteriocin-like inhibitory substances (BLIS). The nursery experiment confirmed that the application of bacterial consortium W. cibaria PPKSD19 and L. lactis subsp. lactis PPSSD39 significantly reduced disease severity to 19% and increased biocontrol efficacy to 69% of infected papaya plants after 18 days of treatment. This study showed that W. cibaria PPKSD19 and L. lactis subsp. lactis PPSSD39 are potential candidate as biocontrol agents against papaya dieback disease. |
| first_indexed | 2024-03-06T10:28:36Z |
| format | Article |
| id | upm.eprints-80819 |
| institution | Universiti Putra Malaysia |
| language | English |
| last_indexed | 2024-03-06T10:28:36Z |
| publishDate | 2019 |
| publisher | Public Library of Science |
| record_format | dspace |
| spelling | upm.eprints-808192020-11-09T14:56:22Z http://psasir.upm.edu.my/id/eprint/80819/ Biological control of Erwinia mallotivora, the causal agent of papaya dieback disease by indigenous seed-borne endophytic lactic acid bacteria consortium Mohd Hashim, Amalia Mohd Jaini, Mohammad Fahrulazri Mohd Taha, Mariam Dayana Abdul Rahim, Raha Saidi, Noor Baity Md Shah, Umi Kalsom Dieback disease caused by Erwinia mallotivora is a major threat to papaya plantation in Malaysia. The current study was conducted to evaluate the potential of endophytic lactic acid bacteria (LAB) isolated from papaya seeds for disease suppression of papaya dieback. Two hundred and thirty isolates were screened against E. mallotivora BT-MARDI, and the inhibitory activity of the isolates against the pathogen was ranging from 11.7–23.7 mm inhibition zones. The synergistic experiments revealed that combination of W. cibaria PPKSD19 and Lactococcus lactis subsp. lactis PPSSD39 increased antibacterial activity against the pathogen. The antibacterial activity was partially due to the production of bacteriocin-like inhibitory substances (BLIS). The nursery experiment confirmed that the application of bacterial consortium W. cibaria PPKSD19 and L. lactis subsp. lactis PPSSD39 significantly reduced disease severity to 19% and increased biocontrol efficacy to 69% of infected papaya plants after 18 days of treatment. This study showed that W. cibaria PPKSD19 and L. lactis subsp. lactis PPSSD39 are potential candidate as biocontrol agents against papaya dieback disease. Public Library of Science 2019 Article PeerReviewed text en http://psasir.upm.edu.my/id/eprint/80819/1/PAPAYA.pdf Mohd Hashim, Amalia and Mohd Jaini, Mohammad Fahrulazri and Mohd Taha, Mariam Dayana and Abdul Rahim, Raha and Saidi, Noor Baity and Md Shah, Umi Kalsom (2019) Biological control of Erwinia mallotivora, the causal agent of papaya dieback disease by indigenous seed-borne endophytic lactic acid bacteria consortium. PLoS One, 14 (12). art. no. e0224431. pp. 1-20. ISSN 1932-6203 https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0224431 10.1371/journal.pone.0224431 |
| spellingShingle | Mohd Hashim, Amalia Mohd Jaini, Mohammad Fahrulazri Mohd Taha, Mariam Dayana Abdul Rahim, Raha Saidi, Noor Baity Md Shah, Umi Kalsom Biological control of Erwinia mallotivora, the causal agent of papaya dieback disease by indigenous seed-borne endophytic lactic acid bacteria consortium |
| title | Biological control of Erwinia mallotivora, the causal agent of papaya dieback disease by indigenous seed-borne endophytic lactic acid bacteria consortium |
| title_full | Biological control of Erwinia mallotivora, the causal agent of papaya dieback disease by indigenous seed-borne endophytic lactic acid bacteria consortium |
| title_fullStr | Biological control of Erwinia mallotivora, the causal agent of papaya dieback disease by indigenous seed-borne endophytic lactic acid bacteria consortium |
| title_full_unstemmed | Biological control of Erwinia mallotivora, the causal agent of papaya dieback disease by indigenous seed-borne endophytic lactic acid bacteria consortium |
| title_short | Biological control of Erwinia mallotivora, the causal agent of papaya dieback disease by indigenous seed-borne endophytic lactic acid bacteria consortium |
| title_sort | biological control of erwinia mallotivora the causal agent of papaya dieback disease by indigenous seed borne endophytic lactic acid bacteria consortium |
| url | http://psasir.upm.edu.my/id/eprint/80819/1/PAPAYA.pdf |
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