Abstract
With the rapid development of omics technologies during the last several decades, genomics, transcriptomics, and proteomics have been extensively used to characterize gene or protein functions in many organisms at the cell or tissue level. However, metabolomics has not been conducted in reproductive organs, with a focus on meiosis in plants. In this study, we adopted a nuclear magnetic resonance (NMR)-based metabolomics approach to reveal the metabolic profile of inflorescences from two Arabidopsis accessions, Columbia (Col) and Landsberg erecta (Ler), and several sterile mutants caused by meiosis defects. We identified 68 dominant metabolites in the samples. Col and Ler displayed distinct metabolite profiles. Interestingly, mutants with similar meiotic defects, such as Atrad51-3, Atrfc1-2, and Atpol2a-2, exhibited similar alterations in metabolites, including upregulation of energy metabolites and promotion of compounds related to maintenance of genomic stability, cytoplasmic homeostasis, and membrane integrity. The collective data reveal distinct changes in metabolites in Arabidopsis inflorescences between the Col and Ler wild type accessions. NMR-based metabolomics could be an effective tool for molecular phenotyping in studies of aspects of plant reproductive development such as meiosis.
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Data availability
The datasets generated for this study are available upon request from the corresponding authors.
Code availability
Not applicable.
Abbreviations
- DSBs:
-
Double-strand breaks
- COs:
-
Crossovers
- NCOs:
-
Non-crossovers
- Col-0:
-
Columbia-0
- Ler :
-
Landsberg erecta
- 1H-NMR:
-
Proton nuclear magnetic resonance
- LC–MS:
-
Liquid chromatography-mass spectrometry
- GC–MS:
-
Gas chromatography–mass spectrometry
- PCA:
-
Principal component analysis
- OPLS-DA:
-
Orthogonal projection to latent structure with discriminant analysis
- COSY:
-
Correlation spectroscopy
- TOCSY:
-
Total correlation spectroscopy
- JRES:
-
J-resolved spectroscopy
- HSQC:
-
Heteronuclear single quantum coherence spectroscopy
- HMBC:
-
Heteronuclear multiple-bond correlation
- Ala:
-
Alanine
- Arg:
-
Arginine
- α-KG:
-
α-Ketoglutarate
- cAA:
-
cis-Aconitic acid
- Cho:
-
Choline
- Cit:
-
Citrate
- DMA:
-
Dimethylamine
- EA:
-
Ethanolamine
- Eth:
-
Ethanol
- Fruc:
-
Fructose
- Fum:
-
Fumarate
- GABA:
-
4-Aminobutyrate
- Glc:
-
Glucose
- Glu:
-
Glutamate
- Gln:
-
Glutamine
- His:
-
Histidine
- Ile:
-
Isoleucine
- Lac:
-
Lactate
- Tyr:
-
Tyrosine
- Phe:
-
Phenylalanine
- Thr:
-
Threonine
- Suc:
-
Sucrose
- Succ:
-
Succinate
- Val:
-
Valine
- 6PGL:
-
6-Phosphogluconate
- E-4-P:
-
Erythrose-4-phosphate
- PRPP:
-
5-Phosphoribosyl diphosphate
- PEP:
-
Phosphoenolpyruvate
- Ici:
-
Isocitrate
- F-1,6-2P:
-
Fructose-1, 6-biphosphate
- TCA:
-
Tricarboxylic acid
- IMP:
-
Inosine monophosphate
- UMP:
-
Uridine monophosphate
- CMP:
-
Cytidine monophosphate
- DMA:
-
Dimethylamine
- SAM:
-
S-adenosylmethionine
- AMP:
-
Adenosine monophosphate
- ADP:
-
Adenosine diphosphate
- ATP:
-
Adenosine triphosphate
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Acknowledgments
We thank Dr. Yanpeng An at the School of Life Sciences of Fudan University for helpful discussions regarding the experimental data.
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This work was supported by grants from the National Science Foundation of China (31570314 and 31925005) and by funds from the State Key Laboratory of Genetic Engineering at Fudan University.
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YXW and LMZ designed the research; YXW, LMZ and YW performed the experiments; XL, HKW, YXW and LMZ analyzed the data; and XL and HKW drafted the manuscript. YXW and LMZ have revised the manuscript. All authors read and approved the final manuscript.
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Li, X., Wang, H., Wang, Y. et al. Comparison of Metabolic Profiling of Arabidopsis Inflorescences Between Landsberg erecta and Columbia, and Meiosis-Defective Mutants by 1H-NMR Spectroscopy. Phenomics 1, 73–89 (2021). https://doi.org/10.1007/s43657-021-00012-3
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DOI: https://doi.org/10.1007/s43657-021-00012-3