Abstract
Hydrolysis of phospholipid monolayer by phospholipases is an important event in the mobilization of stored lipids for seed germination. However, the identification and functional characterization of cereal phospholipases, especially during rice germination, are limited. In the present study, we have identified and characterized a phospholipase OsPLB gene expressed during germination. The full-length coding region of OsPLB was cloned into pRSETA as well as pYES2/NTC vector. The recombinant protein was successfully expressed in both E. coli and Saccharomyces cerevisiae. The recombinant protein was purified to homogeneity by affinity chromatography, and it was further confirmed by MS/MS analysis. In vitro lipase assay and lipidome analysis using high-resolution mass spectrometry showed phosphatidylcholine (PC) specific phospholipase B activity. The results revealed that protein encoded by OsPLB gene prefers to hydrolyze PCs with C28, C32, and C34 containing unsaturated fatty acids. Collectively, the present study describes the identification and characterization of a phospholipase B, which hydrolyze PC, a major component of phospholipid monolayer covering storage lipid, as an initial event during rice seed germination.
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Referrences
Aizono Y, Funatsu M, Sugano M et al (1973) Enzymatic properties of rice bran lipase. Agric Biol Chem 37:2031–2036
Bayon S, Chen G, Weselake RJ et al (2015) A small phospholipase A2-α from castor catalyzes the removal of hydroxy fatty acids from phosphatidylcholine in transgenic arabidopsis seeds. Plant Physiol 167:1259–1270
Bhardwaj K, Raju A, Rajasekharan R (2001) Identification, purification, and characterization of a thermally stable lipase from rice bran. A new member of the (Phospho) lipase family. Plant Physiol 127:1728–1738
Bligh EG, Dyer WJ (1959) A rapid method of total lipid extraction and purification. Can J Biochem Physiol 37:911–917
Borgston B, Brockman HL (1984) Lipases. Elsevier, Amsterdam
Chepyshko H, Lai CP, Huang LM et al (2012) Multifunctionality and diversity of GDSL esterase/lipase gene family in rice (Oryza sativa L. japonica) genome: new insights from bioinformatics analysis. BMC Genom 13:309
Chuang HH, Chen PT, Wang WN et al (2011) Functional proteomic analysis of rice bran esterases/lipases and characterization of a novel recombinant esterase. J Agric Food Chem 59:2019–2025
Denev R, Kuzmanova I, Panayotova S et al (2009) Lipid composition of Indian rice bran oil. Chimieorganique 62:709–716
Eastmond PJ (2006) Sugar-dependent1 encodes a patatin domain triacylglycerol lipase that initiates storage oil breakdown in germinating arabidopsis seeds. Plant Cell 18:665–675
Fauconnier M-L, Welti R, Blée E, Marlier M (2003) Lipid and oxylipin profiles during aging and sprout development in potato tubers (Solanum tuberosum L.). Biochim Biophys Acta Mol Cell Biol Lipids 1633:118–126
Fruehan C, Johnson D, Welti R (2018) Lipidomedbb data calculation environment has been updated to process direct-infusion multiple reaction monitoring data. Lipids 53:1019–1020
Glushenkova AI, Ul’chenko NN, Talipova M et al (1998) Lipids of rice bran. Chem Nat Compd 34:275–277
Graham IA (2008) Seed storage oil mobilization. Annu Rev Plant Biol 59:115–142
Gupta A, Bhatla SC (2007) Preferential phospholipase A2 activity on the oil bodies in cotyledons during seed germination in Helianthus annuus L. cv. Morden. Plant Sci 172:535–543
Heier C, Taschler U, Rengachari S et al (2010) Identification of Yju3p as functional orthologue of mammalian monoglyceride lipase in the yeast Saccharomyces cerevisiae. Biochim Biophys Acta Mol Cell Biol Lipids 1801:1063–1071
Kim Y (2004) Cloning and expression of a lipase gene from rice (Oryza sativacv. Dongjin). Mol Cell 18:40–45
Li G, Lin F, Xue HW (2007) Genome-wide analysis of the phospholipase D family in Oryza sativa and functional characterization of PLDβ1 in seed germination. Cell Res 17:881–894
Lin YH, Huan AHC (1984) Purification and initial characterization of lipase from the scutella of corn seedlings. Plant Physiol 76:719–722
Lin Y, Xin X, Yin G et al (2019) Membrane phospholipids remodeling upon imbibition in Brassica napus L. seeds. Biochem Biophys Res Commun 515:289–295
May C, Preisig-Müller R, Höhne M et al (1998) A phospholipase A2 is transiently synthesized during seed germination and localized to lipid bodies. Biochim Biophys Acta Lipids Lipid Metab 1393:267–276
Minasbekyan LA, Yavroyan ZV, Darbinyan MR et al (2004) The phospholipid composition of nuclear subfractions from germinating wheat embryos. Russ J Plant Physiol 51:708–712
Murphy DJ (2001) The biogenesis and functions of lipid bodies in animals, plants and microorganisms. Prog Lipid Res 40:325–438
Palmiano EP, Juliano BO (1973) Changes in the activity of some hydrolases, peroxidase, and catalase in the rice seed during germination. Plant physl 52:274–277
Parthibane V, Rajakumari S, Venkateshwari V et al (2011) Oleosin is bifunctional enzyme that has both monoacylglycerol acyltransferase and phospholipase activities. J Biol Chem 287:1946–1954
Rietz S, Dermendjiev G, Oppermann E et al (2010) Roles of arabidopsis patatin-related phospholipases A in root development are related to auxin responses and phosphate deficiency. Mol Plant 3:524–538
Seo YS, Kim EY, Kim WT (2011) The Arabidopsis sn-1-specific mitochondrial acylhydrolase AtDLAH is positively correlated with seed viability. J Exp Bot 62:5683–5698
Shevchenko A, Tomas H, Havlis J et al (2007) In-gel digestion for mass spectrometric characterization of proteins and proteomes. Nat Protoc 1:2856–2860
Tsai HC, Chung KR (2014) Calcineurin phosphatase and phospholipase C are required for developmental and pathological functions in the citrus fungal pathogen Alternaria alternata. Microbiology 160:1453–1465
Vicient CM, Delseny M (1999) Isolation of total RNA from Arabidopsis thaliana seeds. Anal Biochem 268:412–413
Welti R, Wang X (2004) Lipid species profiling: a high-throughput approach to identify lipid compositional changes and determine the function of genes involved in lipid metabolism and signaling. Curr Opin Plant Biol 7:337–344
Acknowledgements
We thank Dr. A. Jayadeep, CSIR-CFTRI for providing the fresh O. sativa (IR64) seeds for the study. We are grateful to Prof. Ram Rajasekharan for his constant support and encouragement. We appreciate Dr. Arun Kumar V, CSIR-CFTRI for his constructive criticism of the manuscript. Funding was provided by Department of Science and Technology, Govt of India (Grant no. IFA14-LSPA28).
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PV conceived the original research plans and supervised the experiments. AKD and ML carried out all the experiments. PV and AKD analyzed and discussed the data. PV and AKD wrote the manuscript.
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Dolui, A.K., Latha, M. & Vijayaraj, P. OsPLB gene expressed during seed germination encodes a phospholipase in rice. 3 Biotech 10, 30 (2020). https://doi.org/10.1007/s13205-019-2016-x
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DOI: https://doi.org/10.1007/s13205-019-2016-x