User profiles for Asher Williams

Asher Williams

Assistant Professor, Columbia University
Verified email at columbia.edu
Cited by 403

[HTML][HTML] Complete biosynthesis of a sulfated chondroitin in Escherichia coli

A Badri, A Williams, A Awofiranye, P Datta… - Nature …, 2021 - nature.com
Sulfated glycosaminoglycans (GAGs) are a class of important biologics that are currently
manufactured by extraction from animal tissues. Although such methods are unsustainable and …

Record northernmost endemic mangroves on the United States Atlantic Coast with a note on latitudinal migration

AA Williams, SF Eastman, WE Eash-Loucks… - Southeastern …, 2014 - BioOne
The northern limits of three mangrove species—Avicennia germinans (Black Mangrove),
Rhizophora mangle (Red Mangrove), Laguncularia racemosa (White Mangrove)—on the …

Heavy heparin: a stable isotope‐enriched, chemoenzymatically‐synthesized, poly‐component drug

…, U Bhaskar, D Vaidyanathan, A Williams… - Angewandte …, 2019 - Wiley Online Library
Heparin is a highly sulfated, complex polysaccharide and widely used anticoagulant
pharmaceutical. In this work, we chemoenzymatically synthesized perdeuteroheparin from …

A low-cost, thermostable, cell-free protein synthesis platform for on-demand production of conjugate vaccines

KF Warfel, A Williams, DA Wong, SE Sobol… - ACS synthetic …, 2022 - ACS Publications
Cell-free protein synthesis systems that can be lyophilized for long-term, non-refrigerated
storage and transportation have the potential to enable decentralized biomanufacturing. …

[HTML][HTML] Fabrication of homotypic neural ribbons as a multiplex platform optimized for spinal cord delivery

…, C Stigliano, A Badri, F Zhang, A Williams… - Scientific Reports, 2020 - nature.com
Cell therapy for the injured spinal cord will rely on combined advances in human stem cell
technologies and delivery strategies. Here we encapsulate homotypic spinal cord neural stem …

The road to animal-free glycosaminoglycan production: current efforts and bottlenecks

A Badri, A Williams, RJ Linhardt, MAG Koffas - Current opinion in …, 2018 - Elsevier
… Author links open overlay panel Abinaya Badri 1 , Asher Williams 1 , Robert J Linhardt 1
2 3 , Mattheos AG Koffas 1 3 … Williams, JS Dordick, MAG Koffas, RJ Linhardt …

Engineered heparins as new anticoagulant drugs

D Vaidyanathan, A Williams, JS Dordick… - Bioengineering & …, 2017 - Wiley Online Library
Heparin is an anionic polysaccharide that is widely used as a clinical anticoagulant. This
glycosaminoglycan is prepared from animal tissues in metric ton quantities. Animal‐sourced …

Increased 3′‐Phosphoadenosine‐5′‐phosphosulfate Levels in Engineered Escherichia coli Cell Lysate Facilitate the In Vitro Synthesis of Chondroitin Sulfate A

A Badri, A Williams, K Xia, RJ Linhardt… - Biotechnology …, 2019 - Wiley Online Library
Chondroitin sulfates (CSs) are linear glycosaminoglycans that have important applications
in the medical and food industries. Engineering bacteria for the microbial production of CS …

[HTML][HTML] Metabolic engineering of Bacillus megaterium for heparosan biosynthesis using Pasteurella multocida heparosan synthase, PmHS2

A Williams, KS Gedeon, D Vaidyanathan, Y Yu… - Microbial cell …, 2019 - Springer
Background Heparosan is the unsulfated precursor of heparin and heparan sulfate and its
synthesis is typically the first step in the production of bioengineered heparin. In addition to its …

Glycovaccinology: The design and engineering of carbohydrate-based vaccine components

…, P Desai, MC Jewett, MP DeLisa, AJ Williams - Biotechnology …, 2023 - Elsevier
Vaccines remain one of the most important pillars in preventative medicine, providing protection
against a wide array of diseases by inducing humoral and/or cellular immunity. Of the …