{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,24]],"date-time":"2026-07-24T19:00:02Z","timestamp":1784919602137,"version":"3.55.0"},"reference-count":36,"publisher":"Oxford University Press (OUP)","issue":"9-10","license":[{"start":{"date-parts":[[2021,7,6]],"date-time":"2021-07-06T00:00:00Z","timestamp":1625529600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Cooperative Research Program for Agriculture Science and Technology Development","award":["PJ01318701"],"award-info":[{"award-number":["PJ01318701"]}]},{"DOI":"10.13039\/501100003627","name":"Rural Development Administration","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100003627","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2021,12,23]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:p>Shikimate is a key intermediate in high demand for synthesizing valuable antiviral drugs, such as the anti-influenza drug and oseltamivir (Tamiflu\u00ae). Microbial-based shikimate production strategies have been developed to overcome the unstable and expensive supply of shikimate derived from traditional plant extraction processes. Although shikimate biosynthesis has been reported in several engineered bacterial species, the shikimate production yield is still unsatisfactory. This study designed an Escherichia coli cell factory and optimized the fed-batch culture process to achieve a high titer of shikimate production. Using the previously constructed dehydroshikimate (DHS)-overproducing E. coli strain, two genes (aroK and aroL) responsible for converting shikimate to the next step were disrupted to facilitate shikimate accumulation. The genes with negative effects on shikimate biosynthesis, including tyrR, ptsG, and pykA, were disrupted. In contrast, several shikimate biosynthetic pathway genes, including aroB, aroD, aroF, aroG, and aroE, were overexpressed to maximize the glucose uptake and intermediate flux. The shiA involved in shikimate transport was disrupted, and the tktA involved in the accumulation of both PEP and E4P was overexpressed. The rationally designed shikimate-overproducing E. coli strain grown in an optimized medium produced approximately 101 g\/l of shikimate in 7-l fed-batch fermentation, which is the highest level of shikimate production reported thus far. Overall, rational cell factory design and culture process optimization for microbial-based shikimate production will play a key role in complementing traditional plant-derived shikimate production processes.<\/jats:p>","DOI":"10.1093\/jimb\/kuab043","type":"journal-article","created":{"date-parts":[[2021,7,3]],"date-time":"2021-07-03T11:08:38Z","timestamp":1625310518000},"source":"Crossref","is-referenced-by-count":18,"title":["Artificial cell factory design for shikimate production in <i>Escherichia coli<\/i>"],"prefix":"10.1093","volume":"48","author":[{"given":"Han-Na","family":"Lee","sequence":"first","affiliation":[{"name":"Department of Biological Sciences and Bioengineering, Inha University, Incheon 22212, Republic of Korea"},{"name":"STR Biotech Co., Ltd., Bioplaza 4-3, 56, Soyanggang-ro, Chuncheon-si, Gangwon-do 24232, Republic of 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