Small RNA sequencing reveals various microRNAs involved in piperine biosynthesis in black pepper (Piper nigrum L.)

Abstract Background Black pepper (Piper nigrum L.), an important and long-cultivated spice crop, is native to South India and grown in the tropics. Piperine is the main pungent and bioactive alkaloid in the berries of black pepper, but the molecular mechanism for piperine biosynthesis has not been d...

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Autores principales: Yuanhao Ding, Yuyuan Mao, Yi Cen, Lisong Hu, Yuefeng Su, Xuemin Ma, Lu Long, Haiyan Hu, Chaoyun Hao, Jie Luo
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Publicado: BMC 2021
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Acceso en línea:https://doaj.org/article/57c9920020ed437e954578fe648001ac
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spelling oai:doaj.org-article:57c9920020ed437e954578fe648001ac2021-11-21T12:26:25ZSmall RNA sequencing reveals various microRNAs involved in piperine biosynthesis in black pepper (Piper nigrum L.)10.1186/s12864-021-08154-41471-2164https://doaj.org/article/57c9920020ed437e954578fe648001ac2021-11-01T00:00:00Zhttps://doi.org/10.1186/s12864-021-08154-4https://doaj.org/toc/1471-2164Abstract Background Black pepper (Piper nigrum L.), an important and long-cultivated spice crop, is native to South India and grown in the tropics. Piperine is the main pungent and bioactive alkaloid in the berries of black pepper, but the molecular mechanism for piperine biosynthesis has not been determined. MicroRNAs (miRNAs), which are classical endogenous noncoding small RNAs, play important roles in regulating secondary metabolism in many species, but less is known regarding black pepper or piperine biosynthesis. Results To dissect the functions of miRNAs in secondary metabolism especially in piperine biosynthesis, 110 known miRNAs, 18 novel miRNAs and 1007 individual targets were identified from different tissues of black pepper by small RNA sequencing. qRT-PCR and 5′-RLM-RACE experiments were conducted to validate the reliability of the sequencing data and predicted targets. We found 3 miRNAs along with their targets including miR166-4CL, miR396-PER and miR397-CCR modules that are involved in piperine biosynthesis. Conclusion MiRNA regulation of secondary metabolism is a common phenomenon in plants. Our study revealed new miRNAs that regulate piperine biosynthesis, which are special alkaloids in the piper genus, and they might be useful for future piperine genetic improvement of black pepper.Yuanhao DingYuyuan MaoYi CenLisong HuYuefeng SuXuemin MaLu LongHaiyan HuChaoyun HaoJie LuoBMCarticleBlack peppermiRNASecondary metabolismAlkaloidsPiperine biosynthesisBiotechnologyTP248.13-248.65GeneticsQH426-470ENBMC Genomics, Vol 22, Iss 1, Pp 1-12 (2021)
institution DOAJ
collection DOAJ
language EN
topic Black pepper
miRNA
Secondary metabolism
Alkaloids
Piperine biosynthesis
Biotechnology
TP248.13-248.65
Genetics
QH426-470
spellingShingle Black pepper
miRNA
Secondary metabolism
Alkaloids
Piperine biosynthesis
Biotechnology
TP248.13-248.65
Genetics
QH426-470
Yuanhao Ding
Yuyuan Mao
Yi Cen
Lisong Hu
Yuefeng Su
Xuemin Ma
Lu Long
Haiyan Hu
Chaoyun Hao
Jie Luo
Small RNA sequencing reveals various microRNAs involved in piperine biosynthesis in black pepper (Piper nigrum L.)
description Abstract Background Black pepper (Piper nigrum L.), an important and long-cultivated spice crop, is native to South India and grown in the tropics. Piperine is the main pungent and bioactive alkaloid in the berries of black pepper, but the molecular mechanism for piperine biosynthesis has not been determined. MicroRNAs (miRNAs), which are classical endogenous noncoding small RNAs, play important roles in regulating secondary metabolism in many species, but less is known regarding black pepper or piperine biosynthesis. Results To dissect the functions of miRNAs in secondary metabolism especially in piperine biosynthesis, 110 known miRNAs, 18 novel miRNAs and 1007 individual targets were identified from different tissues of black pepper by small RNA sequencing. qRT-PCR and 5′-RLM-RACE experiments were conducted to validate the reliability of the sequencing data and predicted targets. We found 3 miRNAs along with their targets including miR166-4CL, miR396-PER and miR397-CCR modules that are involved in piperine biosynthesis. Conclusion MiRNA regulation of secondary metabolism is a common phenomenon in plants. Our study revealed new miRNAs that regulate piperine biosynthesis, which are special alkaloids in the piper genus, and they might be useful for future piperine genetic improvement of black pepper.
format article
author Yuanhao Ding
Yuyuan Mao
Yi Cen
Lisong Hu
Yuefeng Su
Xuemin Ma
Lu Long
Haiyan Hu
Chaoyun Hao
Jie Luo
author_facet Yuanhao Ding
Yuyuan Mao
Yi Cen
Lisong Hu
Yuefeng Su
Xuemin Ma
Lu Long
Haiyan Hu
Chaoyun Hao
Jie Luo
author_sort Yuanhao Ding
title Small RNA sequencing reveals various microRNAs involved in piperine biosynthesis in black pepper (Piper nigrum L.)
title_short Small RNA sequencing reveals various microRNAs involved in piperine biosynthesis in black pepper (Piper nigrum L.)
title_full Small RNA sequencing reveals various microRNAs involved in piperine biosynthesis in black pepper (Piper nigrum L.)
title_fullStr Small RNA sequencing reveals various microRNAs involved in piperine biosynthesis in black pepper (Piper nigrum L.)
title_full_unstemmed Small RNA sequencing reveals various microRNAs involved in piperine biosynthesis in black pepper (Piper nigrum L.)
title_sort small rna sequencing reveals various micrornas involved in piperine biosynthesis in black pepper (piper nigrum l.)
publisher BMC
publishDate 2021
url https://doaj.org/article/57c9920020ed437e954578fe648001ac
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