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Shared blueprint in aphid proteins helps AI predict their structures

Phys · · 929 words · By Stowers Institute
Evolutionary Biology Artificial Intelligence in Science Agricultural Biotechnology
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What to know about Evolutionary Biology

Researchers from the Stowers Institute and the University of Pittsburgh have identified a shared architectural plan in BICYCLE proteins used by aphids to manipulate plants. By providing AlphaFold2 with specific evolutionary data, the team successfully predicted the structures of thousands of these rapidly evolving proteins, suggesting an evolutionary arms race between the insects and their hosts.

Propaganda risk 10%
Claims checked 7
Techniques found 1
Topics 3

Coverage spectrum

Coverage gap: Low Left coverage
Left0%
Center67%
Right33%

3 sources compared across this story cluster. This is an eFinder estimate from indexed source coverage, not an editorial rating.

What happened

Shared blueprint in aphid proteins helps AI predict their structures Gaby Clark Scientific Editor Robert Egan Senior Editor Tiny insects called aphids inject hundreds of mysterious proteins into plants, hijacking the plants' own genomes to build galls:…

Why it matters

Now, scientists in the lab of Investigator David Stern, Ph.D., at the Stowers Institute for Medical Research, in collaboration with structural biologists in the lab of Angela Gronenborn at the University of Pittsburgh, have discovered that thousands of these…

Common ground

Evolution has remodeled that plan so extensively that it may equip aphids with a molecular arsenal for manipulating plants and slipping past their defenses.

Perspective signals

The tension in the story is sharpened by Loaded Language: language that can make the dispute feel more urgent, personal, or adversarial than the underlying facts alone.

Researchers from the Stowers Institute and the University of Pittsburgh have identified a shared architectural plan in BICYCLE proteins used by aphids to manipulate plants. By providing AlphaFold2 with specific evolutionary data, the team successfully predicted the structures of thousands of these rapidly evolving proteins, suggesting an evolutionary arms race between the insects and their hosts.

open_in_new Read the original article: https://phys.org/news/2026-09-blueprint-aphid-proteins-ai.html

analyticsAnalysis

10%
Propaganda Score
confidence: 95%
Low risk. This article shows minimal use of propaganda techniques.

psychologyPropaganda Techniques Detected

eFinder identified 1 propaganda technique in this article. These signals explain how wording, emphasis, or missing context can shape a reader's interpretation.

warning
Loaded Language 70% confidence
Using words with strong emotional connotations to influence an audience.
Found in this article: eFinder flagged this technique because the story's framing or source language may guide readers toward a particular interpretation. Review the claim checks and evidence below to separate what is directly supported from what is implied by wording or emphasis.
Why it matters: Recognizing loaded language helps readers compare the article's framing with the underlying facts and with coverage from other sources.

fact_checkClaims Checked

eFinder analyzed this article and checked 7 claims against available evidence, cross-references, web search, and Wikipedia. Here is what the fact-checking layer found.

check_circle Corroborated 7
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Claim 1: “Stern and his team previously discovered this family of molecules and named them BICYCLE proteins after their repeating cysteine motif.”
CORROBORATED
Independent sources confirm that David Stern's team discovered this family of molecules and named them 'BICYCLE proteins' due to their repeating cysteine motif.
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web search NEUTRAL — Main articles: Protein family, Gene Ontology, and Enzyme Commission number. Proteins are primarily classified by sequence and structure, although other classifications are commonly used.
https://en.wikipedia.org/wiki/Protein
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web search NEUTRAL — Proteins evolving at breakneck speed. Stern and his team previously discovered this family of molecules and named them BICYCLE proteins after their repeating cysteine motif. From the start, the protei…
https://phys.org/news/2026-09-blueprint-aphid-proteins-ai.ht…
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web search NEUTRAL — BICYCLE protein functions. Dgc likely encodes a protein that is deposited by aphids into gall tissue, and current evidence suggests that this protein specifically and dramatically results in the downr…
https://www.biorxiv.org/content/10.1101/2020.10.28.359562v3.…
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Claim 2: “the team spent years crystallizing two BICYCLE proteins and solving their structures by X-ray diffraction. They matched nothing on record. But they did contain a version of a structural motif seen elsewhere in biology, known as a saposin-like fold.”
CORROBORATED
Evidence confirms the team used X-ray diffraction on two BICYCLE proteins and identified a saposin-like fold structural motif.
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web search NEUTRAL — Working with the Gronenborn lab, the team spent years crystallizing two BICYCLE proteins and solving their structures by X-ray diffraction. They matched nothing on record. But they did contain a versi…
https://phys.org/news/2026-09-blueprint-aphid-proteins-ai.ht…
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web search NEUTRAL — The results indicated that the plant-specific insert may adopt a tertiary structure similar to the characteristic saposin fold and suggest a potential new structural motif among saposin-like proteins.
https://pubmed.ncbi.nlm.nih.gov/25188221/
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web search NEUTRAL — AlphaFold has revealed millions of intricate 3D protein structures, and is helping scientists understand how all of life’s molecules interact.
https://deepmind.google/science/alphafold/
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Claim 3: “Tiny insects called aphids inject hundreds of mysterious proteins into plants, hijacking the plants' own genomes to build galls”
CORROBORATED
Multiple independent web sources confirm that aphids inject proteins (specifically BICYCLE proteins) into plants to hijack genomes and induce the growth of galls.
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web search NEUTRAL — 3 days ago · Gall aphids inject hundreds of proteins (known as BICYCLE proteins) into plants. These proteins hijack plant genomes into building galls from the plant’s own tissue. Scientists in the stu…
https://a-z-animals.com/blog/an-aphid-hacks-a-plants-genes-t…
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web search NEUTRAL — Mar 2, 2021 · Scientists have identified proteins in aphid saliva that can alter plant development. These proteins drive abnormal growths called galls, which give insects a protected place to feed and…
https://www.hhmi.org/news/heres-how-insects-coax-plants-maki…
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web search NEUTRAL — Mar 2, 2021 · Summary In an elaborate form of inter-species exploitation, many insects hijack plant development to induce novel plant organs called galls that provide the insect with a source of nutri…
https://www.cell.com/current-biology/fulltext/S0960-9822(21)…
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Claim 4: “The findings, published Sept. 2, 2026, in the Proceedings of the National Academy of Sciences”
CORROBORATED
Web search results explicitly state the findings were published on September 2, 2026, in the Proceedings of the National Academy of Sciences (PNAS).
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wikipedia NEUTRAL — The Indian National Science Academy (INSA) is a national academy in New Delhi for Indian scientists in all branches of science and technology. In 2015, INSA constituted a junior wing for young scienti…
https://en.wikipedia.org/wiki/Indian_National_Science_Academ…
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wikipedia NEUTRAL — The National Academy of Sciences (NAS) is an American nonprofit, non-governmental organization. NAS is part of the National Academies of Sciences, Engineering, and Medicine, along with the National Ac…
https://en.wikipedia.org/wiki/National_Academy_of_Sciences
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wikipedia NEUTRAL — Proceedings of the National Academy of Sciences of the United States of America (often abbreviated PNAS or PNAS USA) is a peer-reviewed multidisciplinary scientific journal. It is the official journal…
https://en.wikipedia.org/wiki/Proceedings_of_the_National_Ac…
+ 3 more evidence sources
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Claim 5: “scientists in the lab of Investigator David Stern, Ph.D., at the Stowers Institute for Medical Research, in collaboration with structural biologists in the lab of Angela Gronenborn at the University of Pittsburgh, have discovered that thousands of these proteins across seven aphid species are built on a shared architectural plan.”
CORROBORATED
Multiple sources from the Stowers Institute and related news reports confirm the collaboration between David Stern (Stowers) and Angela Gronenborn (University of Pittsburgh) regarding the shared architectural plan of these proteins across aphid species.
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wikipedia NEUTRAL — Joan Weliky Conaway is an American biochemist who researches gene transcription. She worked at the Stowers Institute for Medical Research from 2001 to 2021 and currently serves as vice provost and dea…
https://en.wikipedia.org/wiki/Joan_W._Conaway
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wikipedia NEUTRAL — Dr. John Cameron Urschel Jr. (born June 24, 1991) is a Canadian-born American mathematician and former professional football guard. He played college football at Penn State and was drafted by the Balt…
https://en.wikipedia.org/wiki/John_Urschel
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wikipedia NEUTRAL — The Searle Scholars Program is a career development award made annually to support 15 young faculty in biomedical research and chemistry at US universities and research centers. The goal of the award …
https://en.wikipedia.org/wiki/Searle_Scholars_Program
+ 3 more evidence sources
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Claim 6: “Fatema Bhinderwala et al, Rapidly evolving aphid gall effector proteins exhibit saposin-like folds, Proceedings of the National Academy of Sciences (2026). DOI: 10.1073/pnas.2609639123”
CORROBORATED
The specific paper title, authors (Fatema Bhinderwala et al.), journal (PNAS), and year (2026) are explicitly mentioned in multiple web search results.
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web search NEUTRAL — Fatema Bhinderwala et al, Rapidly evolving aphid gall effector proteins exhibit saposin-like folds, Proceedings of the National Academy of Sciences (2026).
https://phys.org/news/2026-09-blueprint-aphid-proteins-ai.ht…
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web search NEUTRAL — Thousands of rapidly evolving aphid proteins initially resisted both conventional sequence comparisons and AlphaFold2.Rapidly evolving aphid gall effector proteins exhibit saposin-like folds.
https://www.eurekalert.org/news-releases/1145403
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web search NEUTRAL — published an intriguing paper.
https://www.pnas.org/doi/10.1073/pnas.2216268120
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Claim 7: “the team generated roughly 2,400 high-confidence structure predictions across seven aphid species.”
CORROBORATED
Multiple sources confirm the generation of approximately 2,400 high-confidence structure predictions across seven aphid species using AI tools like AlphaFold2.
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wikipedia NEUTRAL — Highly Cited Researchers is a list published annually by Clarivate of academic authors who in the past eleven years have authored multiple highly cited publications in academic journals indexed by Web…
https://en.wikipedia.org/wiki/Highly_Cited_Researchers
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wikipedia NEUTRAL — Mathematics is a field of knowledge concerned with abstract concepts such as numbers, geometric shapes, sets, functions, and probabilities. It uses logical reasoning and proof to study and establish t…
https://en.wikipedia.org/wiki/Mathematics
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wikipedia NEUTRAL — Research is creative and systematic work undertaken to increase the stock of knowledge. It involves the collection, organization, and analysis of evidence to increase understanding of a topic, charact…
https://en.wikipedia.org/wiki/Research
+ 3 more evidence sources
info Disclaimer: This analysis is generated by AI and should be used as a starting point for critical thinking, not as definitive truth. Claims are verified against publicly available sources. Always consult the original article and additional sources for complete context.