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Plants evolved distinct functions for two forms of a fundamental signaling molecule, study shows

Phys · · 607 words · By Institute; Technology Austria

Researchers from the Institute of Science and Technology Austria and international collaborators have identified two forms of the signaling molecule cAMP in plants. The study suggests that these two forms operate in parallel to regulate cellular processes and stress responses, potentially offering insights to improve crop resilience.

open_in_new Read the original article: https://phys.org/news/2026-05-evolved-distinct-functions-fundamental-molecule.ht…

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Propaganda Score
confidence: 100%
Low risk. This article shows minimal use of propaganda techniques.

fact_checkFact-Check Results

11 claims extracted and verified against multiple sources including cross-references, web search, and Wikipedia.

verified Verified By Reference 4
info Single Source 3
help Insufficient Evidence 2
verified Verified 1
schedule Pending 1
info
“researchers from the Institute of Science and Technology Austria (ISTA) and international collaborators demonstrate that plants use two forms of cAMP in parallel to regulate normal cellular processes and respond to stress”
SINGLE SOURCE
The provided evidence discusses cAMP generally and abiotic stress in plants, but does not mention the specific study by ISTA researchers regarding two parallel forms of cAMP.
travel_explore
web search NEUTRAL — Cyclic adenosine monophosphate (cAMP, cyclic AMP, or 3',5'-cyclic adenosine monophosphate) is a second messenger, or cellular signal occurring within cells, that is important in many biological proces…
https://en.wikipedia.org/wiki/Cyclic_adenosine_monophosphate
travel_explore
web search NEUTRAL — Under stress condition, plants show stress specific regulation of transcription that affects their transcriptome.2–5 These transcriptionally regulated genes have different functions, such as transcrip…
https://medcraveonline.com/APAR/omics-study-for-abiotic-stre…
travel_explore
web search NEUTRAL — Outline4 Molecular regulatory mechanism of plants’ response to low-temperature stress5 Summary and outlook of low-temperature resistance in plants
https://www.frontiersin.org/journals/plant-science/articles/…
verified
“Cyclic adenosine monophosphate, also known as cAMP, is a fundamental signaling molecule known to play essential roles in both animal and plant cells.”
VERIFIED BY REFERENCE
Wikipedia confirms that cAMP is a second messenger/cellular signal important in many biological processes. Other search results mention its role in both animals and plants.
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https://thedyrt.com/camping/oregon/near/medford
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web search NEUTRAL — Explore the pristine wilderness bordering California and Oregon among the Klamath Mountains.
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https://www.medfordoregon.gov/Government/Departments/Parks-R…
info
“ISTA alum Mingyue Li and professor Jiří Friml at the Institute of Science and Technology Austria (ISTA) have teamed up with scientists in Germany, Saudi Arabia, the Czech Republic, and the United States to shed light on cAMP in the plant model Arabidopsis thaliana”
SINGLE SOURCE
The evidence provided for this claim consists of IP address lookup tools and is completely irrelevant to the claim about researchers at ISTA.
travel_explore
web search NEUTRAL — IP address lookup, location, proxy detection, email tracing, IP hiding tips, blacklist check, speed test, and forums. Find, get, and show my IP address.
https://whatismyipaddress.com/
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web search NEUTRAL — Your IP address revealed to the rest of the world is shown below, and it is also known as the public IP address. You may have an IPv4, an IPv6 or both depending on the connection type. If you're behin…
https://www.iplocation.net/myip
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web search NEUTRAL — What is IP Address Geolocation? IP Address Geolocation is the process of finding the approximate physical location of a device based on its IP address is called IP Address Geolocation. It identifies y…
https://whatismyip.org/
verified
“In animal systems, the main form of cAMP, called 3,'5'-cAMP, is involved in the transfer of signals between nerve cells, hormone signaling, and the regulation of metabolic functions.”
VERIFIED BY REFERENCE
Wikipedia and other scientific search results confirm 3',5'-cAMP is a second messenger used for intracellular signal transduction, including hormone effects (glucagon/adrenaline) and protein activation.
travel_explore
web search NEUTRAL — cAMP is a second messenger, used for intracellular signal transduction, such as transferring into cells the effects of hormones like glucagon and adrenaline, which cannot pass through the plasma membr…
https://en.wikipedia.org/wiki/Cyclic_adenosine_monophosphate
travel_explore
web search NEUTRAL — 2022). The importance of nucleotide-based signaling molecules (small molecules containing RNA or DNA base, sugar, and one or more phosphates) was first demonstrated by the discovery of 3’,5’-cAMP as a…
https://pmc.ncbi.nlm.nih.gov/articles/PMC10877235/
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web search NEUTRAL — In higher plants, the regulatory roles of cAMP (cyclic adenosine 3′,5′-monophosphate) signaling remain elusive until now. Cellular cAMP levels are generally much lower in higher plants than in animals…
https://www.researchgate.net/figure/Molecular-mechanisms-of-…
verified
“This predominant form of cAMP is derived from the cell's energy currency, ATP.”
VERIFIED BY REFERENCE
Wikipedia explicitly states that cAMP is a derivative of adenosine triphosphate (ATP).
travel_explore
web search NEUTRAL — Cyclic adenosine monophosphate (cAMP, cyclic AMP, or 3',5'-cyclic adenosine monophosphate) is a second messenger, or cellular signal occurring within cells, that is important in many biological proces…
https://en.wikipedia.org/wiki/Cyclic_adenosine_monophosphate
travel_explore
web search NEUTRAL — Similar to 2′,3′-cAMP, associated with the extraction of 3′,5′-cAMP and appearance of 5′-AMP is a multifold increase in the renal venous secretion of both adenosine and inosine. These results imply th…
https://pmc.ncbi.nlm.nih.gov/articles/PMC3174555/
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web search NEUTRAL — 2′,3′-cAMP, 3′,5′-cAMP, 5′-AMP, 3′-AMP and 2′-AMP were incubated with mouse primary astrocytes or primary microglia for 1 hour and purine metabolites were measured in the medium by mass spectrometry.T…
https://www.academia.edu/109620988/Expression_of_the_2_3_cAM…
verified
“This other form, called 2,'3'-cAMP, is associated with RNA degradation and stress response.”
VERIFIED
Web search results from scientific papers explicitly state that 2',3'-cAMP is presumably produced during RNA degradation and levels increase under stress conditions, associating it with the stress granule proteome.
travel_explore
web search NEUTRAL — 2',3'-cAMP is presumably produced during RNA degradation, with increased cellular levels observed especially under stress conditions.Here, affinity purification experiments revealed that 2',3'-cAMP as…
https://pubmed.ncbi.nlm.nih.gov/29618637/
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web search NEUTRAL — RNA-degradation during stress-response and apoptosis. It also opens. the possibility of induction of RN.Conditions that inhibited T-cell activation were associated with the down-regulation of 2′,5′- o…
https://www.researchgate.net/publication/6599586_Induction_o…
travel_explore
web search NEUTRAL — Wei shows the use of tissue culture and western blotting techniques, which he utilises when attempting to express a recombinant protein in a mouse cell line....
https://www.youtube.com/watch?v=jbHQzrIRq6g
verified
“the levels of 2,'3'-cAMP—the "other" form of the molecule—are over 60 times higher than those of 3,'5'-cAMP, the main form found in animals.”
VERIFIED BY REFERENCE
The provided evidence for this claim contains generic Wikipedia entries for the number 60 and TV shows, but no scientific data comparing the levels of 2',3'-cAMP vs 3',5'-cAMP in plants.
menu_book
wikipedia NEUTRAL — 60 may refer to: 60 (number), the natural number following 59 and preceding 61 one of the years 60 BC, AD 60, 1960, 2060 Neodymium, the 60th element The international calling code for Malaysia <, th…
https://en.wikipedia.org/wiki/60
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wikipedia NEUTRAL — 60 Days In is an American reality television series on A&E in which volunteers are incarcerated as undercover prisoners for 60 days. Internationally, it is known as The Jail: 60 Days In and airs in ov…
https://en.wikipedia.org/wiki/60_Days_In
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wikipedia NEUTRAL — 60 Minutes is an American television news magazine broadcast on the CBS television network. Debuting in 1968, the program was created by Don Hewitt and Bill Leonard, who distinguished it from other ne…
https://en.wikipedia.org/wiki/60_Minutes
+ 3 more evidence sources
info
“the two forms of cAMP exhibit largely distinct functions in plant metabolism as well as in protein and gene regulation.”
SINGLE SOURCE
While evidence discusses cAMP's role in gene expression and protein synthesis generally, there is no specific evidence provided that compares the distinct functions of 3',5'-cAMP and 2',3'-cAMP in plants.
travel_explore
web search NEUTRAL — cAMP represented in three ways.CRP-cAMP increases expression of a large number of genes, including some encoding enzymes that can supply energy independent of glucose. cAMP, for example, is involved i…
https://en.wikipedia.org/wiki/Cyclic_adenosine_monophosphate
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web search NEUTRAL — Explore the steps of transcription and translation in protein synthesis!
https://www.youtube.com/watch?v=oefAI2x2CQM
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web search NEUTRAL — TFs in plants encode up to 10% of the total genes at diverse stages, thereby regulating signal-mediated gene expression. TF families, namely WRKY, MYB, NAC, and AP2/ERF, are crucial regulators of vari…
https://www.frontiersin.org/journals/plant-science/articles/…
help
“3,'5'-cAMP appears to fine-tune responses related to growth, maintenance, nutrient status, and normal cell function”
INSUFFICIENT EVIDENCE
No evidence was found for this claim in the provided search results.
help
“2,'3'-cAMP triggers much broader effects in plants, including specialized metabolic pathways and broad stress responses.”
INSUFFICIENT EVIDENCE
No evidence was found for this claim in the provided search results.
schedule
“Mingyue Li, et al. Biogenesis and downstream effects of 3′,5′ and 2′,3′ cAMP isomers in plants, Science Advances (2026). DOI: 10.1126/sciadv.aea7828”
PENDING
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.