Abstract
Plants, a source of undeviating therapeutic agents, are used as a model system for new synthetic compounds and a taxonomic marker for discovery of novel compounds. The expanding awareness of the health hazards and toxicity associated with the indiscriminate use of synthetic drugs has enhanced the interest in the use of plants and plant-based drugs. The evolving commercial significance of secondary metabolites in recent years has resulted in a great interest in secondary metabolism, particularly in the prospect of varying the production of bioactive plant metabolites by means of tissue culture technology. Adventitious root culture system (AR) provides an alternative approach for the improvement and enhancement of plant-based pharmaceutical compounds. AR serves as a base for conservation of important plant species by reducing pressure on its natural populations. The present review focuses on the application of plant growth regulators (particularly auxins and cytokinins) for the initiation and establishment of adventitious root cultures through various explants in vitro. The production of root biomass could provide bioactive compounds of interest in laboratory conditions. In addition, the root biomass production, accumulation and quantification of secondary metabolites studies in different medicinal plant species have been discussed in the light of different PGRs.
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Abbreviations
- 2, 4-D:
-
2, 4-Dichlorophenoxyacetic acid
- IAA:
-
3-Indoleacetic acid
- B5:
-
Gamborg’s medium
- BAP:
-
6-Benzylaminopurine
- CGs:
-
Galloylglucoses
- CPT:
-
Camptothecin
- DW:
-
Dry weight
- FW:
-
Fresh weight
- HPLC:
-
High performance liquid chromatography
- IBA:
-
Indole-3-butyric acid
- ISM:
-
Indian system of medicines
- Kin:
-
Kinetin
- LC–MS:
-
Liquid Chromatography Mass Spectrometry
- LS:
-
Linsmaier and Skoog medium
- MS:
-
Murashige and Skoog medium
- N6:
-
Chu medium
- NAA:
-
α-Naphthalene acetic acid
- NMR:
-
Nuclear magnetic resonance
- PVP:
-
Polyvinylpyrrolidone
- TLC:
-
Thin layer chromatography
- AR:
-
Adventitious roots
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Acknowledgments
The award of SERB, DST, Young Scientist (SB/YS/LS-145/2013) scheme to Dr. Naseem Ahmad by the Department of Science and Technology (DST), Government of India, New Delhi, is greatly acknowledged. The financial assistance in the form of Dr. D. S. Kothari Postdoctoral Fellowship to Dr. Nigar Fatima from University Grants Commission (UGC), Government of India, New Delhi, is also acknowledged. Research support from The Department of Science and Technology (Govt. of India) New Delhi under the DST- FIST (2011) and UGC-SAP (2009) Programme, is also acknowledged.
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Ahmad, N., Fatima, N., Ahmad, I. et al. Effect of PGRs in adventitious root culture in vitro: present scenario and future prospects. Rend. Fis. Acc. Lincei 26, 307–321 (2015). https://doi.org/10.1007/s12210-015-0445-y
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DOI: https://doi.org/10.1007/s12210-015-0445-y