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Genotype and organ effect on the occupancy of phyllosphere prokaryotes in different rice landraces

Abstract

Bacteria community provides essential ecological services to rice plants. The bacterial diversity of rice varies across host plant genotype and organs. This study employed 16S rDNA amplicon sequencing to characterise the bacterial community associated with three rice landraces using leaf blade and stem samples. The prokaryotic community found in these rice landraces comprised of two kingdoms, 12 phyla, 25 classes, 40 orders, 80 families, and 118 genera. Proteobacteria (53.9%) was the most abundant phylum. The most abundant genus was an undefined genus under Cyanobacteria (33.0%). Homogeneity of prokaryotic community was observed across the three rice landraces, which may suggest a high similarity in biological and genetical properties of the rice landraces. The difference in prokaryotic composition between leaf blade and stem was depicted based on principal coordinate analysis. This study observed that the prokaryotic inhabitants in rice plants is predominantly determined by rice plant organs.

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Data availability

The 16S rDNA sequences were deposited in the National Centre for Biotechnology Information (NCBI) under the accession number PRJNA766140.

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Acknowledgements

This project was funded by Ministry of Higher Education, Malaysia under Fundamental Research Grant Scheme (FRGS/1/2017/STG03/UNIMAS/02/4). The authors would like to acknowledge Faculty of Resource Science and Technology, Universiti Malaysia Sarawak, for the facilities provided. Last but not least, the authors would like to thank Tan Yeong Shiuan, Lee Yang, Ng Wen Teng, and Lim Jia Zhen for their assistance in sample preparation.

Funding

This project was funded by Ministry of Higher Education, Malaysia under Fundamental Research Grant Scheme (FRGS/1/2017/STG03/UNIMAS/02/4).

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All authors contributed to the study conception and design. Material preparation and data collection were performed by Freddy Kuok San, Yeo and Yin Hui, Cheok. Data analysis was performed by Freddy Kuok San, Yeo; Yin Hui, Cheok and Yee Ling, Chong. The first draft of the manuscript was written by Freddy Kuok San, Yeo and Yin Hui. All authors commented on previous versions of the manuscript and have approved the final manuscript.

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Correspondence to Freddy Kuok San Yeo.

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The authors have no relevant financial nor non-financial interests to disclose.

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Communicated by Erko Stackebrandt.

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Yeo, F.K.S., Cheok, Y.H., Wan Ismail, W.N. et al. Genotype and organ effect on the occupancy of phyllosphere prokaryotes in different rice landraces. Arch Microbiol 204, 600 (2022). https://doi.org/10.1007/s00203-022-03209-w

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  • DOI: https://doi.org/10.1007/s00203-022-03209-w

Keywords

  • Rice
  • Bacteria
  • Sarawak
  • 16S rDNA