Abstract
Mycobacterium sp. can convert steroids such as β-sitosterol, campesterol, and cholesterol, by selective side-chain cleavage and oxidation of the C3 hydroxyl group to a ketone, into key intermediates that can be easily functionalized to yield commercially interesting pharmaceutical products. In aqueous systems, the biocatalysis is limited by the low solubility of the steroids in water. Several strategies have been introduced to tackle this limitation, e.g., formation of cyclodextrin–steroid complexes and generation of aqueous microdispersions with steroid particle size in the range of hundreds of nanometers. Still, the introduction of an organic phase acting as a substrate and/or product reservoir is a well-established and relatively easy to implement strategy to overcome the sparing water solubility of steroid molecules. However, the organic phase has to be carefully chosen to prevent tampering with the activity/viability of microbial cells.
In this chapter, we describe the methodology for the biocatalysis of β-sitosterol to 4-androstene-3,17-dione (AD) and 1,4-androstadiene-3,17-dione (ADD), both in aqueous and organic:aqueous systems. In the latter case, both traditional organic solvents and green solvents are proposed.
Access this chapter
Tax calculation will be finalised at checkout
Purchases are for personal use only
References
Schmid A, Dordick JS, Hauer B, Kiener A, Wubbolts M, Witholt B (2001) Industrial biocatalysis today and tomorrow. Nature 409:258–268
de Carvalho CCCR, Cruz A, Angelova B, Fernandes P, Pons MN, Pinheiro HM, Cabral JMS, da Fonseca MMR (2004) Behaviour of Mycobacterium sp. NRRL B-3805 whole cells in aqueous, organic-aqueous and organic media studied by fluorescence microscopy. Appl Microbiol Biotechnol 64:696–701
Batth R, Nicolle C, Cuciurean IS, Simonsen HT (2020) Biosynthesis and industrial production of androsteroids. Plants 9:1144
van Schie MMCH, Spöring J-D, Bocola M, Domínguez de María P, Rother D (2021) Applied biocatalysis beyond just buffers – from aqueous to unconventional media. Options and guidelines. Green Chem 23:3191–3206
de Carvalho CCCR (2017) Whole cell biocatalysts: essential workers from Nature to the industry. Microb Biotechnol 10:250–263
Grundtvig IPR, Heintz S, Krühne U, Gernaey KV, Adlercreutz P, Hayler JD, Wells AS, Woodley JM (2018) Screening of organic solvents for bioprocesses using aqueous-organic two-phase systems. Biotechnol Adv 36:1801–1814
Rokade R, Ravindran S, Singh P, Suthar J (2018) Microbial biotransformation for the production of steroid medicament. In: Vijayakumar R, Raja SS (eds) Secondary metabolites – sources and applications. IntechOpen, London, p 115
Heipieper HJ, Neumann G, Cornelissen S, Meinhardt F (2007) Solvent-tolerant bacteria for biotransformations in two-phase fermentation systems. Appl Microbiol Biotechnol 74:961–973
de Carvalho CCCR (2010) Adaptation of Rhodococcus to organic solvents. In: Alvarez MH (ed) Biology of Rhodococcus. Springer, Berlin, Heidelberg, p 368
Little AD (2001) Making EHS an integral part of process design. American Institute of Chemical Engineers, CWRT, CCPS, New York
Tao J, Kazlauskas RJ (2011) Biocatalysis for green chemistry and chemical process development. John Wiley & Sons, Inc., Hoboken
Sheldon RA, Woodley JM (2018) Role of biocatalysis in sustainable chemistry. Chem Rev 118:801–838
Marques MPC, Carvalho F, de Carvalho CCCR, Cabral JMS, Fernandes P (2010) Steroid bioconversion: towards green processes. Food Bioprod Process 88:12–20
Nunes VO, Vanzellotti ND, Fraga JL, Pessoa FL, Ferreira TF, Amaral PF (2022) Biotransformation of phytosterols into androstenedione – a technological prospecting study. Molecules 27:3164
Gao XQ, Feng JX, Wang XD, Hua Q, Wei DZ (2015) Enhanced steroid metabolites production by resting cell phytosterol bioconversion. Chem Biochem Eng Q 29:567–573
Cruz A, Fernandes P, Cabral JMS, Pinheiro HM (2001) Whole-cell bioconversion of β-sitosterol in aqueous–organic two-phase systems. J Mol Catal B Enzym 11:579–585
Donova MV, Egorova OV (2012) Microbial steroid transformations: current state and prospects. Appl Microbiol Biotechnol 94:1423–1447
Hu Y, Wang D, Wang X, Wei D (2020) A recycled batch biotransformation strategy for 22-hydroxy-23,24-bisnorchol-4-ene-3-one production from high concentration of phytosterols by mycobacterial resting cells. Biotechnol Lett 42:2589–2594
Wang D, Zhang J, Cao D-D, Wang X, Wei D (2021) Identification and in situ removal of an inhibitory intermediate to develop an efficient phytosterol bioconversion process using a cyclodextrin-resting cell system. RSC Adv 11:24787–24793
Angelova B, Fernandes P, Spasova D, Mutafov S, Pinheiro HM, Cabral JMS (2006) Scanning electron microscopy investigations on bis(2-ethylhexyl)phthalate treated Mycobacterium cells. Microsc Res Tech 69:613–617
Gulla V, Banerjee T, Patil S (2010) Bioconversion of soysterols to androstenedione by Mycobacterium fortuitum subsp. fortuitum NCIM 5239, a mutant derived from total sterol degrader strain. J Chem Technol Biotechnol 85:1135–1141
Kutney JP, Milanova RK, Vassilev CD, Stefanov SS, Nedelcheva NV, Kutney P, Milanova K (1999) High yield microbial conversion of phytosterol to androstadienedione and androstenedione, in presence of solubilizer, e.g. silicone. WO9949075-A; EP1066399-A; WO9949075-A1. (Forbes Medi-Tech Inc; Akzo Nobel Nv; Organon Nv)
Rodina NV, Molchanova MA, Voishvillo NE, Andryushina VA, Stytsenko TS (2008) Conversion of phytosterols into androstenedione by Mycobacterium neoaurum. Appl Biochem Microbiol 44:48–54
Li X, Chen T, Peng F, Song S, Yu J, Sidoine DN, Cheng X, Huang Y, He Y, Su Z (2021) Efficient conversion of phytosterols into 4-androstene-3,17-dione and its C1,2-dehydrogenized and 9α-hydroxylated derivatives by engineered Mycobacteria. Microb Cell Factories 20:158
Zhao W, Xie H, Zhang X, Wang Z (2022) Crystal substrate inhibition during microbial transformation of phytosterols in Pickering emulsions. Appl Microbiol Biotechnol 106:2403–2414
Andriushina VA, Rodina NV, Stytsenko TC, Luu DH, Druzhinina AV, Iaderets VV, Voishvillo NE (2011) Conversion of soybean sterols into 3,17-diketosteroids using actinobacteria Mycobacterium neoaurum, Pimelobacter simplex, and Rhodococcus erythropolis. Prikl Biokhim Mikrobiol 47:297–301
Liu Y-J, W-t J, Song L, Tao X-Y, Zhao M, Gao B, Meng H, Wang F-Q, Wei D-Z (2022) Transformation of phytosterols into pregnatetraenedione by a combined microbial and chemical process. Green Chem 24:3759–3771
Zhang Y, Zhou X, Wang X, Wang L, Xia M, Luo J, Shen Y, Wang M (2020) Improving phytosterol biotransformation at low nitrogen levels by enhancing the methylcitrate cycle with transcriptional regulators PrpR and GlnR of Mycobacterium neoaurum. Microb Cell Factories 19:13
Chang H, Zhang H, Zhu L, Zhang W, You S, Qi W, Qian J, Su R, He Z (2020) A combined strategy of metabolic pathway regulation and two-step bioprocess for improved 4-androstene-3,17-dione production with an engineered Mycobacterium neoaurum. Biochem Eng J 164:107789
Fernández-Cabezón L, Galán B, García JL (2018) New insights on steroid biotechnology. Front Microbiol 9:958
Zhao Y-Q, Liu Y-J, Ji W-T, Liu K, Gao B, Tao X-Y, Zhao M, Wang F-Q, Wei D-Z (2022) One-pot biosynthesis of 7β-hydroxyandrost-4-ene-3,17-dione from phytosterols by cofactor regeneration system in engineered Mycolicibacterium neoaurum. Microb Cell Factories 21:59
Cruz A, Angelova B, Fernandes P, Cabral JMS, Pinheiro HM (2004) Study of key operational parameters for the side-chain cleavage of sitosterol by free mycobacterial cells in bis-(2-ethylhexyl) phthalate. Biocatal Biotransformation 22:189–194
Sedlaczek L, Gorminski BM, Lisowska K (1994) Effect of inhibitors of cell-envelope synthesis on beta-sitosterol side-chain degradation by Mycobacterium sp. NRRL-MB-3683. J Basic Microbiol 34:387–399
Llanes N, Hung B, Falero A, Perez C, Aguila B (1995) Glucose and lactose effect on AD and ADD bioconversion by Mycobacterium sp. Biotechnol Lett 17:1237–1240
Cruz A, Fernandes P, Cabral JMS, Pinheiro HM (2004) Solvent partitioning and whole-cell sitosterol bioconversion activity in aqueous-organic two-phase systems. Enzym Microb Technol 34:342–353
Carvalho F, Marques MPC, de Carvalho CCCR, Cabral JMS, Fernandes P (2009) Sitosterol bioconversion with resting cells in liquid polymer based systems. Bioresour Technol 100:4050–4053
Sih CJ (1988) Process for preparing steroids. US 4755463 A
Marsheck WJ, Kraychy S, Muir RD (1972) Microbial degradation of sterols. Appl Microbiol 23:72–77
Liu C, Zhang X, Rao Z-M, Shao M-L, Zhang L-L, Wu D, Xu Z-H, Li H (2015) Mutation breeding of high 4-androstene-3,17-dione-producing Mycobacterium neoaurum ZADF-4 by atmospheric and room temperature plasma treatment. J Zhejiang Univ Sci B 16:286–295
Huang C-L, Chen Y-R, Liu W-H (2006) Production of androstenones from phytosterol by mutants of Mycobacterium sp. Enzym Microb Technol 39:296–300
Marques MPC, de Carvalho CCCR, Claudino MJC, Cabral JMS, Fernandes P (2007) On the feasibility of the microscale approach for a multistep biotransformation: sitosterol side chain cleavage. J Chem Technol Biotechnol 82:856–863
Acknowledgments
The work was partially funded by national funds from FCT in the scope of the project UIDB/04565/2020 and UIDP/04565/2020 of the Research Unit iBB-Institute for Bioengineering and Biosciences and of the project LA/P/0140/2020 of the i4HN-Associate Laboratory Institute for Health and Bioeconomy.
Author information
Authors and Affiliations
Corresponding author
Editor information
Editors and Affiliations
Rights and permissions
Copyright information
© 2023 The Author(s), under exclusive license to Springer Science+Business Media, LLC, part of Springer Nature
About this protocol
Cite this protocol
de Carvalho, C.C.C.R., Fernandes, P. (2023). Biocatalysis of Steroids by Mycobacterium sp. in Aqueous and Organic Media. In: Barreiro, C., Barredo, JL. (eds) Microbial Steroids. Methods in Molecular Biology, vol 2704. Humana, New York, NY. https://doi.org/10.1007/978-1-0716-3385-4_13
Download citation
DOI: https://doi.org/10.1007/978-1-0716-3385-4_13
Published:
Publisher Name: Humana, New York, NY
Print ISBN: 978-1-0716-3384-7
Online ISBN: 978-1-0716-3385-4
eBook Packages: Springer Protocols