eISSN: 2353-9461
ISSN: 0860-7796
BioTechnologia
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4/2022
vol. 103
 
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abstract:
RESEARCH PAPERS

Alkaloid production and response to natural adverse conditions in Peganum harmala: in silico transcriptome analyses

Seyed Mehdi Jazayeri
1
,
Mahtab Pooralinaghi
2
,
Yenny Torres-Navarrete
3
,
Byron Oviedo-Bayas
4
,
Ítalo Espinoza Guerra
3
,
Dario Herrera Jácome
3
,
César Quinaluisa Morán
5
,
Carlos Salas Macias
6
,
Karime Montes Escobar
7
,
Seyed Mohammad Hossein Ale Seyed Ghafoor
8
,
Gholamhasan Veiskarami
9
,
Pouria Jandaghi
10, 11
,
Ronald Oswaldo Villamar Torres
3, 5

  1. Departamento de Biología, Facultad de Ciencia, Universidad Nacional de Colombia
  2. University of Payam Noor, Karaj, Alborz, Iran
  3. Facultad de Ciencias Pecuarias y Biológicas, Universidad Técnica Estatal de Quevedo, Quevedo, Los Ríos, Ecuador
  4. Facultad de Ciencias de la Ingeniería, Universidad Técnica Estatal de Quevedo, Los Rios, Ecuador
  5. Carrera Tecnología Superior en Producción Agrícola, Instituto Superior Tecnológico “Ciudad de Valencia”, Ecuador
  6. Departamento de Agronomía, Facultad de Ingeniería Agronómica, Universidad Técnica de Manabí, Ecuador
  7. Departamento de Matemáticas y Estadística, Instituto de Ciencias Básicas, Universidad Técnica de Manabí, Ecuador
  8. Department of Informatics, Faculty of Engineering, University of Arak, Arak, Iran
  9. Center of Excellence in Phylogeny, Department and Plant Sciences, School of Biology, College of Science, University of Tehran, Tehran, Iran
  10. Department of Human Genetics, McGill University, Montreal, Canada
  11. McGill University and Genome Quebec Innovation Centre, Montreal, Canada
BioTechnologia vol. 103(4) ∙ pp. 355–384 ∙ 2022
Online publish date: 2022/12/24
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Peganum harmala is a valuable wild plant that grows and survives under adverse conditions and produces pharmaceutical alkaloid metabolites. Using different assemblers to develop a transcriptome improves the quality of assembled transcriptome. In this study, a concrete and accurate method for detecting stress-responsive transcripts by comparing stress-related gene ontology (GO) terms and public domains was designed. An integrated transcriptome for P. harmala including 42656 coding sequences was created by merging de novo assembled transcriptomes. Around 35000 transcripts were annotated with more than 90% resemblance to three closely related species of Citrus, which confirmed the robustness of the assembled transcriptome; 4853 stress-responsive transcripts were identified. CYP82 involved in alkaloid biosynthesis showed a higher number of transcripts in P. harmala than in other plants, indicating its diverse alkaloid biosynthesis attributes. Transcription factors (TFs) and regulatory elements with 3887 transcripts comprised 9% of the transcriptome. Among the TFs of the integrated transcriptome, cystein2/histidine2 (C2H2) and WD40 repeat families were the most abundant. The Kyoto Encyclopedia of Genes and Genomes (KEGG) MAPK (mitogen-activated protein kinase) signaling map and the plant hormone signal transduction map showed the highest assigned genes to these pathways, suggesting their potential stress resistance. The P. harmala whole-transcriptome survey provides important resources and paves the way for functional and comparative genomic studies on this plant to discover stress-tolerance-related markers and response mechanisms in stress physiology, phytochemistry, ecology, biodiversity, and evolution. P. harmala can be a potential model for studying adverse environmental cues and metabolite biosynthesis and a major source for the production of various alkaloids.
keywords:

SSR, model plant, transcription factor, RNA-Seq, halophyte



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