The paper improves 1H NMR and ATR-FTIR methods to characterize block structures in alginic acids from sugar kelp, showing they can distinguish between G-block and M-block fractions.

bioRxiv · Oct 22, 2026 · PreprintBiochemistry

Microbial alginate foraging is conserved in geographically and taxonomically distinct ruminant microbiomes

Jeffrey P. Tingley, Alessandra Ferrillo, Marissa L. King, Alemayehu Kidane, Barinder Bajwa, Xiaohui Xing, Tina Johannessen, Alexsander Lysberg, Liv Torunn Mydland, Margareth Øverland, Greta Reintjes, Anna Y. Shearer, Leeann Klassen, Kristin E. Low, Trushar R. Patel, , Live H. Hagen

The paper investigates how two ruminant species digest brown algae by analyzing microbial pathways and omics data from in vivo and in vitro experiments.

Nature Communications · Jul 16, 2026Peer-reviewedMicrobiology

Global distribution of microbial carrageenan foraging pathways reveals widespread latent traits within the genetic dark matter of ruminant intestinal microbiomes

Jeffrey P. Tingley, Thea Os Andersen, Liam G. Mihalynuk, Xiaohui Xing, Kristin E. Low, Douglas P. Whiteside, Ianina Altshuler, Nic Jujihara, Anna Y. Shearer, Leeann Klassen, Spencer C. Serin, Edgar Smith, Greta Reintjes, Trushar R. Patel, A.B. Boraston, , D. Wade Abbott

The paper identifies carrageenan catabolism pathways in ruminant gut microbiomes, revealing their widespread distribution and evolutionary history.

Nature Communications · May 12, 2026Peer-reviewedMicrobiology

2D HSQC-derived "dark forest" image with enhanced local resolution via first derivative processing-logarithmic cosine transformation (FDP-LCT): Demonstration on per-O-ethylated kappa- and iota-carrageenans

Xiaohui Xing, Jeffrey P. Tingley, Barinder Bajwa, Vince F. Weiler, Tony Montina, Steve W. Cui, D. Wade Abbott

This paper introduces an algorithm to enhance the resolution of 2D HSQC NMR spectra for better structural analysis of polysaccharides.

Carbohydrate Research · Feb 4, 2026Peer-reviewedBiochemistry