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Earlier sources: Biotechnology
This science thread follows biotechnology through original research, public projects, and source reports. Read the evidence below to see which developments are represented in SYMTRI’s archive.
SYMTRI organizes observations from public sources into a living map. Connections reflect shared subject matter; they do not establish causation or endorse a source.
Open in the map ↗229 classified signals in the fourteen-day window. These counts include signals awaiting readable evidence.
Earlier sources
Up to ten sources with readable evidence, ordered by their feed timestamp. These archive sources can be older than the live fourteen-day window. This list is a sample, not a measure of total activity. Dates distinguish paper publication, repository creation, model/dataset activity, Hacker News posts, and KEV catalog additions. “First archived” records when SYMTRI first stored the signal.
- Europe PMC · Published · First archived
A dual-action bacteriophage protein Ped1 degrades DNA and blocks replication in Pseudomonas aeruginosa. ↗
To fully harness phage therapy against escalating antimicrobial resistance, it is imperative to elucidate the fundamental mechanisms by which viruses systematically dismantle host physiology. In this study, we identify Ped1, a protein from Pseudomonas aeruginosa phage PaoP5, which suppresses bacterial growth through two mechanisms: degradation of genomic DNA and direct inhibition of the replication machinery. Our 2.3-Å crystal structure and biochemical profiling reveal that Ped1 adopts a previously uncharacterized α/β-nuclease architecture, enabling the efficient cleavage of both double-strand
- Europe PMC · Published · First archived
Protein turnover in juvenile tropical rock lobster (Panulirus ornatus) and its implications for growth bioenergetics. ↗
Protein turnover (the continuous synthesis and degradation of the proteome) is energetically expensive and strongly correlates with growth rate in ectotherms. However, in crustaceans our understanding of whole-body protein turnover is limited. This restricts our ability to accurately determine dietary protein and energy utilisation efficiency, which are critical for optimising aquaculture nutrition. This study investigated how two isoenergetic feeds containing 42% (CP42) or 64% (CP64) crude protein impact post-prandial metabolism, nitrogen flux and protein turnover in tropical rock lobster (Pa
- arXiv · Published · First archived
Generative modeling of intrinsically disordered protein regions by reinforcing sparse autoencoder features ↗
Intrinsically disordered protein regions (IDRs) play central roles in cellular processes such as transcriptional regulation, signal transduction, and subcellular localization, yet their functional design remains challenging. Structure-based design methods do not readily apply to IDRs, and existing protein language models are trained on full-length protein sequences, thus learning a prior that is biased towards folded domains. Here, we present IDiom, an autoregressive protein language model trained on IDiom-DB, a dataset of 54 million predicted IDRs curated from the AlphaFold Database. IDiom ge…
- Hacker News · Posted on Hacker News · First archived
Anthropic's biolab made a discovery it's comparing to CRISPR ↗
Hacker News discussion.
- OpenAlex · Published · First archived
In Silico Comparative Genomic and Pan-Genomic Characterization of Bacteroides uniformis JCM5828 reveals Genome Plasticity, Biosynthetic Potential, and Functional Diversity ↗
Background Bacteroides uniformis is a common human gut commensal associated with carbohydrate metabolism and host–microbe interactions. However, its genomic diversity, genome plasticity, and biosynthetic potential remain incompletely characterized. This study aimed to comparatively characterize the genome and pan-genome of B. uniformis, to assess genomic islands, functional diversity, and putative biosynthetic features using publicly available genomic data. Methods An in-silico comparative genomic and pan-genomic analysis was performed using the genome of B. uniformis JCM5828 (RefSeq GCF_04436…
- OpenAlex · Published · First archived
Bioprocess Intensification Using Perfusion Culture for Recombinant Protein Production from Lactococcus lactis ↗
Secretion of recombinant proteins from microbial cell factories is a promising strategy for recombinant protein biomanufacturing as it simplifies downstream processing. In this study, we sought to intensify the Lactococcus lactis high-cell-density culture, using basic fibroblast growth factor 2 (FGF2) as a model recombinant protein. We implemented a perfusion strategy using tangential flow filtration for cell retention, allowing the continuous removal of inhibitory metabolites while replenishing fresh nutrients. When conventional 2 × GM17 medium was used, the approach outperformed batch cultiv…
- OpenAlex · Published · First archived
Chromosome-scale assembly of yeast genomes using enzyme-free, dense optical genome mapping ↗
Large repetitive elements and complex chromosomal organization continue to challenge accurate assembly of eukaryotic genomes. Optical genome mapping (OGM) provides long-range genomic information by imaging individual DNA molecules. While most OGM protocols rely on sparse enzymatic labeling that restricts resolution in poorly labeled or structurally complex regions, dense labeling strategies generate continuous fluorescence intensity profiles that offer a complementary representation of genome structure. Here we extend our Dense Optical Genome Mapping Assembly (DOGMA) pipeline, previously used…
- OpenAlex · Published · First archived
Combined Effects of ATRA and ASA on HeLa Cell Viability, MAPK/AKT-Related Protein Abundance, and Intracellular VEGF: An Integrated In Vitro and In Silico Study ↗
Background/Objectives: All-trans retinoic acid (ATRA) and acetylsalicylic acid (ASA; aspirin) have been reported to influence cancer-associated signaling through distinct molecular mechanisms, but their combined effects on cervical cancer cells remain incompletely characterized. This study evaluated the individual and combined effects of ATRA and ASA on HeLa human cervical cancer cells and used computational analyses as supportive, hypothesis-generating mechanistic contextualization. Methods: Cell viability was assessed by MTT assay after treatment with increasing concentrations of ATRA and AS…
- OpenAlex · Published · First archived
Regulation of cellular proteostasis via mitochondrial protein import ↗
Mitochondria are the powerhouse of the cell, playing vital roles in energy production and metabolism. Most mitochondrial proteins are encoded in the nuclear DNA and must be synthesized in the cytosol before being transported into the appropriate mitochondrial compartments. Mitochondrial protein import is not only essential for mitochondrial biogenesis but also a crucial regulatory step in mitochondrial proteostasis surveillance and stress response. Additionally, defects in mitochondrial protein import lead to mislocalization of precursor proteins to the cytosol, disrupting cytosolic proteostas…
- OpenAlex · Published · First archived
Acanthamoeba castellanii genome reannotation and multi-omic encystation profiling reveals cyst wall proteins and carbohydrate-active enzymes ↗
Acanthamoeba castellanii is both a key evolutionary outgroup to humans and a free-living amoeba that causes eye infections. During infection, trophozoites damage the cornea and convert to drug-resistant cysts. Systematic characterization of encystation pathways has been hindered by poor genome annotation. We used long-read RNA sequencing across an encystation time course to improve annotation accuracy from 52% to 98%. Orthogroup analyses showed one-third of Acanthamoeba genes are absent in humans and so may be drug targets. We identified 20 cyst wall protein families. Multiple carbohydrate-act…
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How to assess evidence about Biotechnology
Check each original source for its methods, release status, limitations, and supporting data. A repository announcement, a preprint, and a published study provide different kinds of evidence. SYMTRI’s subject classification helps discovery; it does not independently validate the source’s claims.
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