Enhancing PQQ production in Acinetobacter calcoaceticus through uniform design and support vector regression

A novel machine learning-assisted approach for formula optimization, termed UD-SVR, is introduced by combining uniform design with support vector regression. This method was employed to optimize both the formulation and fermentation conditions for pyrroloquinoline quinone (PQQ) production by Acineto...

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Main Authors: Yu-han Li, Su-hang Yao, Yan Zhou, Xiu-lan He, Zhe-ming Yuan, Qiu-long Hu, Cheng-wen Shen, Xin Li, Yuan Chen
Format: Article
Language:English
Published: Frontiers Media S.A. 2025-08-01
Series:Frontiers in Microbiology
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Online Access:https://www.frontiersin.org/articles/10.3389/fmicb.2025.1556322/full
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author Yu-han Li
Yu-han Li
Su-hang Yao
Su-hang Yao
Yan Zhou
Xiu-lan He
Xiu-lan He
Zhe-ming Yuan
Zhe-ming Yuan
Qiu-long Hu
Cheng-wen Shen
Xin Li
Xin Li
Yuan Chen
author_facet Yu-han Li
Yu-han Li
Su-hang Yao
Su-hang Yao
Yan Zhou
Xiu-lan He
Xiu-lan He
Zhe-ming Yuan
Zhe-ming Yuan
Qiu-long Hu
Cheng-wen Shen
Xin Li
Xin Li
Yuan Chen
author_sort Yu-han Li
collection DOAJ
description A novel machine learning-assisted approach for formula optimization, termed UD-SVR, is introduced by combining uniform design with support vector regression. This method was employed to optimize both the formulation and fermentation conditions for pyrroloquinoline quinone (PQQ) production by Acinetobacter calcoaceticus. In just two rounds of 66 experimental treatments, UD-SVR effectively optimized a formulation involving eight factors at the shake-out level scale, enhancing PQQ production from 43.65 mg/L to 73.40 mg/L—an impressive 68.15% increase. Notably, the optimized formulation is also cost-effective, featuring minimized consumption of pivotal elements like carbon and nitrogen sources. The machine learning-supported UD-SVR method presents an inclusive resolution for optimizing experimental designs and analyses in multi-factor, multi-level formulations, characterized by robust guidance, lucid interpretability, and heightened efficiency in optimization.
format Article
id doaj-art-a0fab0c4560b4e188a40ca9bd998243c
institution Kabale University
issn 1664-302X
language English
publishDate 2025-08-01
publisher Frontiers Media S.A.
record_format Article
series Frontiers in Microbiology
spelling doaj-art-a0fab0c4560b4e188a40ca9bd998243c2025-08-20T03:40:31ZengFrontiers Media S.A.Frontiers in Microbiology1664-302X2025-08-011610.3389/fmicb.2025.15563221556322Enhancing PQQ production in Acinetobacter calcoaceticus through uniform design and support vector regressionYu-han Li0Yu-han Li1Su-hang Yao2Su-hang Yao3Yan Zhou4Xiu-lan He5Xiu-lan He6Zhe-ming Yuan7Zhe-ming Yuan8Qiu-long Hu9Cheng-wen Shen10Xin Li11Xin Li12Yuan Chen13National Research Center of Engineering and Technology for Utilization of Botanical Functional Ingredients, Hunan Agricultural University, Changsha, ChinaHunan Province Microbiology Research Institute, Changsha, ChinaNational Research Center of Engineering and Technology for Utilization of Botanical Functional Ingredients, Hunan Agricultural University, Changsha, ChinaHunan Province Microbiology Research Institute, Changsha, ChinaHunan Province Microbiology Research Institute, Changsha, ChinaHunan Province Microbiology Research Institute, Changsha, ChinaCentral South University Graduate School Long Ping Branch, Changsha, ChinaYuelushan Laboratory of Hunan Province, Changsha, ChinaHunan Engineering & Technology Research Centre for Agricultural Big Data Analysis & Decision-Making, Hunan Agricultural University, Changsha, ChinaNational Research Center of Engineering and Technology for Utilization of Botanical Functional Ingredients, Hunan Agricultural University, Changsha, ChinaNational Research Center of Engineering and Technology for Utilization of Botanical Functional Ingredients, Hunan Agricultural University, Changsha, ChinaHunan Province Microbiology Research Institute, Changsha, ChinaHunan Engineering Research Center for Endophytic Microbial Resources Mining and Utilization, Changsha, ChinaHunan Engineering & Technology Research Centre for Agricultural Big Data Analysis & Decision-Making, Hunan Agricultural University, Changsha, ChinaA novel machine learning-assisted approach for formula optimization, termed UD-SVR, is introduced by combining uniform design with support vector regression. This method was employed to optimize both the formulation and fermentation conditions for pyrroloquinoline quinone (PQQ) production by Acinetobacter calcoaceticus. In just two rounds of 66 experimental treatments, UD-SVR effectively optimized a formulation involving eight factors at the shake-out level scale, enhancing PQQ production from 43.65 mg/L to 73.40 mg/L—an impressive 68.15% increase. Notably, the optimized formulation is also cost-effective, featuring minimized consumption of pivotal elements like carbon and nitrogen sources. The machine learning-supported UD-SVR method presents an inclusive resolution for optimizing experimental designs and analyses in multi-factor, multi-level formulations, characterized by robust guidance, lucid interpretability, and heightened efficiency in optimization.https://www.frontiersin.org/articles/10.3389/fmicb.2025.1556322/fullAcinetobacter calcoaceticusPQQuniform designsupport vector regressionformulation optimization
spellingShingle Yu-han Li
Yu-han Li
Su-hang Yao
Su-hang Yao
Yan Zhou
Xiu-lan He
Xiu-lan He
Zhe-ming Yuan
Zhe-ming Yuan
Qiu-long Hu
Cheng-wen Shen
Xin Li
Xin Li
Yuan Chen
Enhancing PQQ production in Acinetobacter calcoaceticus through uniform design and support vector regression
Frontiers in Microbiology
Acinetobacter calcoaceticus
PQQ
uniform design
support vector regression
formulation optimization
title Enhancing PQQ production in Acinetobacter calcoaceticus through uniform design and support vector regression
title_full Enhancing PQQ production in Acinetobacter calcoaceticus through uniform design and support vector regression
title_fullStr Enhancing PQQ production in Acinetobacter calcoaceticus through uniform design and support vector regression
title_full_unstemmed Enhancing PQQ production in Acinetobacter calcoaceticus through uniform design and support vector regression
title_short Enhancing PQQ production in Acinetobacter calcoaceticus through uniform design and support vector regression
title_sort enhancing pqq production in acinetobacter calcoaceticus through uniform design and support vector regression
topic Acinetobacter calcoaceticus
PQQ
uniform design
support vector regression
formulation optimization
url https://www.frontiersin.org/articles/10.3389/fmicb.2025.1556322/full
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