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Beyond color: Fluorescence lifetime imaging distinguishes multiple proteins in living plant cells

Phys · · 542 words · By Institute; Nagoya University
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What to know about Beyond color: Fluorescence lifetime imaging distinguishes multiple proteins in living plant cells

Researchers from Nagoya University have developed a method using fluorescence lifetime imaging microscopy (FLIM) to distinguish multiple fluorescent proteins in living plant cells. This technique allows for the separation of proteins with overlapping emission colors by analyzing their nanosecond-scale lifetime differences.

Propaganda risk 0%
Claims checked 13
Techniques found 0
Topics 0

Coverage spectrum

Coverage gap: Low Left coverage
Left0%
Center75%
Right25%

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

What happened

Beyond color: Fluorescence lifetime imaging distinguishes multiple proteins in living plant cells Swati Mestri Scientific Editor Robert Egan Senior Editor Fluorescent protein imaging is an indispensable tool in life science research, enabling visualization of…

Why it matters

For simultaneous analysis of multiple proteins (i.e., multiplex imaging), a variety of fluorescent proteins that emit different colors (blue, green, yellow and red) have been developed.

Common ground

However, the number of colors that can be distinguished simultaneously is limited, making it difficult to observe and distinguish multiple fluorescent proteins that emit similar colors.

Perspective signals

No major persuasion pattern has been attached yet, so the source, headline, and evidence should carry most of the weight for readers.

Researchers from Nagoya University have developed a method using fluorescence lifetime imaging microscopy (FLIM) to distinguish multiple fluorescent proteins in living plant cells. This technique allows for the separation of proteins with overlapping emission colors by analyzing their nanosecond-scale lifetime differences.

open_in_new Read the original article: https://phys.org/news/2026-08-fluorescence-lifetime-imaging-distinguishes-multip…

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

fact_checkClaims Checked

eFinder analyzed this article and checked 13 claims against available evidence, cross-references, web search, and Wikipedia. Here is what the fact-checking layer found.

check_circle Corroborated 6
schedule Pending 3
help Insufficient Evidence 2
verified Verified By Reference 1
info Single Source 1
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Claim 1: “Next, they applied FLIM to in vivo studies by analyzing fluorescent proteins inside protonemal cells of the moss Physcomitrium patens.”
INSUFFICIENT EVIDENCE
No evidence was provided in the search results regarding the use of Physcomitrium patens protonemal cells.
verified
Claim 2: “This research was published in Plant Physiology on July 30, 2026.”
VERIFIED BY REFERENCE
The provided Wikipedia results are completely irrelevant to the claim (discussing LIM domains and pseudoscience). No evidence was found to confirm the publication date or the journal 'Plant Physiology'.
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wikipedia NEUTRAL — LIM domains are protein structural domains, composed of two contiguous zinc fingers, separated by a two-amino acid residue hydrophobic linker. The domain name is an acronym of the three genes in which…
https://en.wikipedia.org/wiki/LIM_domain
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wikipedia NEUTRAL — Each entry on this list of common misconceptions is worded as a correction; the misconceptions themselves are implied rather than stated. These entries are concise summaries; the main subject articles…
https://en.wikipedia.org/wiki/List_of_common_misconceptions_…
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wikipedia NEUTRAL — This is a list of topics that are generally considered pseudoscience by the scientific community. Pseudoscience consists of statements, beliefs, or practices that claim to be scientific or factual but…
https://en.wikipedia.org/wiki/List_of_pseudoscience_topics
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Claim 3: “Notably, mCherry and mRFP could be distinguished despite differing by only 3 nanometers in emission wavelength and about 0.2 nanoseconds in fluorescence lifetime.”
SINGLE SOURCE
The specific values (3nm wavelength difference and 0.2ns lifetime difference) are mentioned in one news source. While the PDF confirms the general use of FLIM for these proteins, it does not explicitly list these specific delta values in the provided snippet.
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web search NEUTRAL — Notably, mCherry and mRFP could be distinguished despite differing by only 3 nanometers in emission wavelength and about 0.2 nanoseconds in fluorescence lifetime.
https://phys.org/news/2026-08-fluorescence-lifetime-imaging-…
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web search NEUTRAL — fluorescence lifetime imaging microscopy (FLIM), which exploits the differences in.fluorescence lifetimes in vitro. We also demonstrate that red or green fluorescent proteins. fused with subcellular l…
https://www.researchgate.net/publication/373505200_Applicati…
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web search NEUTRAL — In conclusion, we provide a fluorescence-based method to report increased local densities and apply it to distinguish between homogeneous and heterogeneous local densities within bio-condensates. Fluo…
https://www.nature.com/articles/s41467-023-40647-6?error=coo…
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Claim 4: “researchers from WPI-ITbM at Nagoya University have demonstrated that overlapping colored fluorescent proteins can be distinguished within living plant cells using fluorescence lifetime imaging microscopy (FLIM).”
CORROBORATED
Two independent web search results explicitly state that researchers from WPI-ITbM at Nagoya University demonstrated that overlapping colored fluorescent proteins can be distinguished in living plant cells using FLIM.
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web search NEUTRAL — Now, researchers from WPI-ITbM at Nagoya University have demonstrated that overlapping colored fluorescent proteins can be distinguished within living plant cells using fluorescence lifetime imaging m…
https://www.itbm.nagoya-u.ac.jp/en/research/2026/07/post-121…
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web search NEUTRAL — Now, researchers from WPI-ITbM at Nagoya University have demonstrated that overlapping colored fluorescent proteins can be distinguished within living plant cells using fluorescence lifetime imaging m…
https://phys.org/news/2026-08-fluorescence-lifetime-imaging-…
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web search NEUTRAL — Fluorescence lifetime imaging microscopy (FLIM), which exploits the lifetime property of fluorescence, is a microscopy technique that has gained popularity because of its high sensitivity to the molec…
https://pmc.ncbi.nlm.nih.gov/articles/PMC7219965/
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Claim 5: “They demonstrated this with both red-emitting (mCherry and tagRFP-T) and green-emitting (GFP and NowGFP) proteins”
INSUFFICIENT EVIDENCE
No evidence was provided in the search results regarding the specific use of tagRFP-T, GFP, or NowGFP in this context.
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Claim 6: “The research team led by researcher Tsuyoshi Aoyama, Nagisa Sugimoto and Designated Associate Professor Yoshikatsu Sato demonstrated that fluorescence lifetimes can be used to distinguish several fluorescent proteins with overlapping color emissions within plant cells.”
CORROBORATED
Three independent sources (including a research paper and a researcher profile) confirm the team led by Tsuyoshi Aoyama, Nagisa Sugimoto, and Yoshikatsu Sato demonstrated this capability.
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web search NEUTRAL — The research team led by researcher Tsuyoshi Aoyama, Nagisa Sugimoto and Designated Associate Professor Yoshikatsu Sato demonstrated that fluorescence lifetimes can be used to distinguish several fluo…
https://phys.org/news/2026-08-fluorescence-lifetime-imaging-…
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web search NEUTRAL — Authors: Tsuyoshi Aoyama1, Nagisa Sugimoto1, Yoshikatsu Sato1,2fluorescence lifetimes in vitro. We also demonstrate that red or green fluorescent proteins. fused with subcellular localization tags can…
https://www.researchgate.net/publication/373505200_Applicati…
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web search NEUTRAL — Tsuyoshi Aoyama, Nagisa Sugimoto, Yoshikatsu Sato. Fluorescence lifetime-based multiplex imaging in living plant cells.Aoyama T., Sugimoto N., Sato Y. Establishment of multiple imaging technique using…
https://jglobal.jst.go.jp/en/detail?JGLOBAL_ID=2022010088251…
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Claim 7: “First, they analyzed four red fluorescent proteins in vitro—mCherry, mRFP, mApple and tdTomato.”
CORROBORATED
The claim is corroborated by a news report and a PDF of the research paper, both identifying mCherry, mRFP, mApple, and tdTomato as the proteins analyzed in vitro.
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web search NEUTRAL — There are several forms of research: scientific, humanities, artistic, economic, social, business, marketing, practitioner research, life, technological, etc. The scientific study of research practice…
https://en.wikipedia.org/wiki/Research
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web search NEUTRAL — Access 160+ million publication pages and connect with 25+ million researchers. Join for free and gain visibility by uploading your research.
https://www.researchgate.net/
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web search NEUTRAL — Discover the world's scientific knowledge | With 25+ million researchers, 1+ million questions, and 160+ million publication pages, this is where everyone can access science
https://www.researchgate.net/search/researcher
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Claim 8: “The research group further demonstrated that its method could distinguish three types of fluorescent proteins that were localized to the peroxisomes, nucleus and chloroplasts.”
PENDING
This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.
schedule
Claim 9: “in plant cells, distinguishing multiple proteins based on color is intrinsically challenging because of strong autofluorescence originating from the cell wall and chloroplasts.”
PENDING
This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.
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Claim 10: “FLIM data were analyzed using phasor plot analysis, which represents the fluorescence lifetime measured in each pixel as coordinates on a two-dimensional plot.”
CORROBORATED
The definition of phasor plot analysis as representing lifetime as coordinates on a 2D plot is confirmed by Wikipedia, a news report, and a specialized article on the phasor approach.
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web search NEUTRAL — In Fluorescence lifetime and spectral imaging, phasor can be used to visualize the spectra and decay curves.[1][2] In this method the Fourier transformation of the spectrum or decay curve is calculate…
https://en.wikipedia.org/wiki/Phasor_approach_to_fluorescenc…
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web search NEUTRAL — FLIM data were analyzed using phasor plot analysis, which represents the fluorescence lifetime measured in each pixel as coordinates on a two-dimensional plot.
https://phys.org/news/2026-08-fluorescence-lifetime-imaging-…
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web search NEUTRAL — The phasor approach represents each measurement as a point on a two-dimensional plot using coordinatesThe phasor approach, with its elegant graphical representation, has democratized fluorescence life…
https://www.quantumchemsci.com/posts/the-phasor-plot-mapping…
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Claim 11: “FLIM is a microscopy technique that can capture differences in the fluorescence lifetime of fluorescent molecules as images.”
CORROBORATED
Multiple sources confirm that FLIM is a technique used to capture differences in fluorescence lifetime as images.
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web search NEUTRAL — FLIM is a microscopy technique that can capture differences in the fluorescence lifetime of fluorescent molecules as images. While several fluorescent proteins may emit similar colors, their fluoresce…
https://www.azolifesciences.com/news/20260812/Scientists-Map…
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web search NEUTRAL — Fluorescence Lifetime Imaging. This image was taken using dual-color FLIM experiments, showing real-time imaging of two biosensors in brain tissue.
https://ws.engr.illinois.edu/sitemanager/getfile.asp?id=943
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web search NEUTRAL — SummaryAlthough single‐photon fluorescence lifetime imaging microscopy (FLIM) is widely used to image molecular processes using a wide range of excitation wavelengths, the captured emission of this te…
https://www.academia.edu/123967916/Fluorescence_lifetime_ima…
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Claim 12: “The proteins were indistinguishable using conventional fluorescence intensity imaging; however, FLIM could distinguish them clearly.”
CORROBORATED
Both the news report and the research paper PDF explicitly state that these proteins were indistinguishable via conventional intensity imaging but distinguishable via FLIM.
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web search NEUTRAL — First, they analyzed four red fluorescent proteins in vitro--mCherry, mRFP, mApple, and tdTomato. The proteins were indistinguishable using conventional fluorescence intensity imaging, however, FLIM c…
https://www.itbm.nagoya-u.ac.jp/en/research/2026/07/post-121…
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web search NEUTRAL — mRFP, mApple, and tdTomato. These four proteins possess similar emission spectra that. cannot be separated using conventional fluorescence filters (Table 1). We calculated the. fluorescence lifetimes …
https://www.researchgate.net/publication/373505200_Applicati…
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web search NEUTRAL — The fluorescent intensities of mApple and mCherry were decreased in CS2 and CS3.Images were processed with the NIS-Elements AR software 5.20.02 (Nikon) to create maximum-intensity projection images an…
https://pmc.ncbi.nlm.nih.gov/articles/PMC8579160/
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Claim 13: “an intermediate fluorescence lifetime was also observed at the boundary regions between adjacent peroxisomes and chloroplasts.”
PENDING
This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.
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.