Scientist @Helmholtz-munich.de Germany. Interested in plant responses to abiotic and biotic stresses | #VOC #metabolomics #climatechange | Views are my own. https://orcid.org/0000-0003-1973-4007https://bsky.app/profile/andreaghirardo.bsky.socialhttps://bsky.app/profile/andreaghirardo.bsky.social/post/3mm35d73zds2lHappy to share that our new paper has just been published: https://doi.org/10.1016/j.envint.2026.110304 We investigated how #ozone affects #AmbrosiaArtemisiifolia #pollen and show that plant stress responses can change pollen allergenicity.17 May 2026 19:55 +0000at://did:plc:6gs7uj6yuos6wpfwu2ljbysm/app.bsky.feed.post/3mm35d73zds2lhttps://bsky.app/profile/andreaghirardo.bsky.social/post/3mle3sfx2qs23Great discussions at #EGU26 this week, thanks to everyone who joined my talk and the poster of my PhD student #HaiAhnNguyen on #petrichor emissions from #drylands. #VOC #ClimateChange #PTRMS08 May 2026 15:56 +0000at://did:plc:6gs7uj6yuos6wpfwu2ljbysm/app.bsky.feed.post/3mle3sfx2qs23https://bsky.app/profile/andreaghirardo.bsky.social/post/3mkxwjpo4c22tExcited to present at #EGU26 (BG1.10)! I’ll show how dryland soil rewetting triggers bursts of VOCs (petrichor) with potential impacts on ozone & SOA formation. https://meetingorganizer.copernicus.org/EGU26/EGU26-21725.html⁠ Happy to connect at EGU! #VOCs #AtmosChem #SoilMicrobes #Drylands #Petrichor https://meetingorganizer.copernicus.org/EGU26/EGU26-21725.html⁠�03 May 2026 19:50 +0000at://did:plc:6gs7uj6yuos6wpfwu2ljbysm/app.bsky.feed.post/3mkxwjpo4c22thttps://bsky.app/profile/andreaghirardo.bsky.social/post/3mfqyyu6wfk24Happy that our paper is now out in Nature Plants: "Photorespiration is linked to DNA methylation by formate as a one-carbon source" led by @martingroth.bsky.social with @valentin-ha.bsky.social as first author. https://doi.org/10.1038/s41477-026-02222-x #Epigenetics #ClimateChange #OneCarbonMetabolism26 Feb 2026 10:39 +0000at://did:plc:6gs7uj6yuos6wpfwu2ljbysm/app.bsky.feed.post/3mfqyyu6wfk24https://bsky.app/profile/andreaghirardo.bsky.social/post/3melhfc7wt22lGreat news: our project on #chemodiversity #herbivorydiversity has been funded by @dfg.de and @snf-fns.ch Looking forward to starting this exciting collaboration with @MichaelEisenring @thorstengrams.bsky.social @func-metabo-lab.bsky.social Congratulations to everyone involved! @tum.de [contains quote post or other embedded content]11 Feb 2026 12:16 +0000at://did:plc:6gs7uj6yuos6wpfwu2ljbysm/app.bsky.feed.post/3melhfc7wt22lhttps://bsky.app/profile/andreaghirardo.bsky.social/post/3melghhiq5k2lNew paper out! 🎉 @mmader.bsky.social et al. show how oak trees mount distinct gene-expression defence responses to specialist vs. generalist herbivores. Great long-standing collaboration with Birgit Kersten, Hilke Schröder, and @jpschnitzler.net . Thanks to all coauthors! https://doi.org/10.1093/treephys/tpaf15811 Feb 2026 11:59 +0000at://did:plc:6gs7uj6yuos6wpfwu2ljbysm/app.bsky.feed.post/3melghhiq5k2lhttps://bsky.app/profile/andreaghirardo.bsky.social/post/3mcfxgih3z22yHelpful to see their estimates. Great summary figure! [contains quote post or other embedded content]14 Jan 2026 20:56 +0000at://did:plc:6gs7uj6yuos6wpfwu2ljbysm/app.bsky.feed.post/3mcfxgih3z22yhttps://bsky.app/profile/andreaghirardo.bsky.social/post/3mbbw27rcmc2pOaks can be extraordinarily beautiful in winter too. A picture near my home in #Andechs. Wishing everyone a peaceful and inspiring New Year 2026! 😊 #Oaks #TreeBeauty #WinterLandscape #ForestEcology #NewYear202631 Dec 2025 12:56 +0000at://did:plc:6gs7uj6yuos6wpfwu2ljbysm/app.bsky.feed.post/3mbbw27rcmc2phttps://bsky.app/profile/andreaghirardo.bsky.social/post/3mazw2qge6c2qSo true, a year of chaos: the planned closure of the environmental institute #EUS at @helmholtzmunich.bsky.social and the dismissal of scientists will severely hamper #climatechange research and jeopardize national funding projects supported by @dfg.de [contains quote post or other embedded content]28 Dec 2025 08:35 +0000at://did:plc:6gs7uj6yuos6wpfwu2ljbysm/app.bsky.feed.post/3mazw2qge6c2qhttps://bsky.app/profile/andreaghirardo.bsky.social/post/3ma7dzcgntk2mIt’s deeply concerning to see climate science in danger these days! Save NCAR! @ncar-ucar.bsky.social [contains quote post or other embedded content]17 Dec 2025 19:03 +0000at://did:plc:6gs7uj6yuos6wpfwu2ljbysm/app.bsky.feed.post/3ma7dzcgntk2mhttps://bsky.app/profile/andreaghirardo.bsky.social/post/3ma76fs4gak2mAnother paper published today 😊 https://nph.onlinelibrary.wiley.com/doi/10.1002/ppp3.70114 We discuss how #VerticalFarming and #Agrivoltaics can improve #SustainableFood production by coupling perovskite and dye-sensitized solar cells together with light ‘recipes’. @jpschnitzlerlab.bsky.social17 Dec 2025 17:22 +0000at://did:plc:6gs7uj6yuos6wpfwu2ljbysm/app.bsky.feed.post/3ma76fs4gak2mhttps://bsky.app/profile/andreaghirardo.bsky.social/post/3m7wxokokqk2kReal-time estimates of #BVOC emissions with high resolution (10-30m) using #GEE-MEGAN model, which combines satellite data on land cover and vegetation. A great tool for studying the impacts of BVOCs in a rapidly urbanizing, warming world. https://www.nature.com/articles/s41467-025-63437-8 @natcomms.nature.com14 Dec 2025 11:01 +0000at://did:plc:6gs7uj6yuos6wpfwu2ljbysm/app.bsky.feed.post/3m7wxokokqk2khttps://bsky.app/profile/andreaghirardo.bsky.social/post/3m7ulfafg222kEAACI guidelines on the impact of the green environment on allergies and asthma https://onlinelibrary.wiley.com/doi/10.1111/all.7018213 Dec 2025 12:15 +0000at://did:plc:6gs7uj6yuos6wpfwu2ljbysm/app.bsky.feed.post/3m7ulfafg222khttps://bsky.app/profile/andreaghirardo.bsky.social/post/3m7ix4lvqlc2rIn times of institutional restructuring, it’s often the youngest scientists who face the greatest uncertainty. Seeing PhD candidates lose supervision or access labs and facilities, while publicly funded projects may remain unfinished, might be frustrating, surely concerning.08 Dec 2025 21:13 +0000at://did:plc:6gs7uj6yuos6wpfwu2ljbysm/app.bsky.feed.post/3m7ix4lvqlc2rhttps://bsky.app/profile/andreaghirardo.bsky.social/post/3m5e3wseins2mGreat work of #MirjamMeischner, congrats! [contains quote post or other embedded content]11 Nov 2025 12:06 +0000at://did:plc:6gs7uj6yuos6wpfwu2ljbysm/app.bsky.feed.post/3m5e3wseins2mhttps://bsky.app/profile/andreaghirardo.bsky.social/post/3lxtrkmzn322qNew paper out! https://onlinelibrary.wiley.com/doi/10.1111/pce.70153 Isoprene enhances disease resistance in neighboring Arabidopsis plants via LLP1-mediated immunity, demonstrated by a field study with transgenic birches. #PeiyuanZhu @jpschnitzlerlab.bsky.social #VOC #PlantScience02 Sep 2025 09:11 +0000at://did:plc:6gs7uj6yuos6wpfwu2ljbysm/app.bsky.feed.post/3lxtrkmzn322qhttps://bsky.app/profile/andreaghirardo.bsky.social/post/3lujzg4g4gc2wExcited to share our latest publication originating from an Erasmus+ project with the University of Perugia and CNR! https://thericejournal.springeropen.com/articles/10.1186/s12284-025-00788-2 #sustainability #metabolomics #UniPerugia #CNR @euerasmusplus.bsky.social22 Jul 2025 07:50 +0000at://did:plc:6gs7uj6yuos6wpfwu2ljbysm/app.bsky.feed.post/3lujzg4g4gc2whttps://bsky.app/profile/andreaghirardo.bsky.social/post/3lqm4fsucld26A new metabolomic strategy using mass spectrometry and stable-isotope tracing to uncover unknown metabolic reactions. https://www.nature.com/articles/s41467-025-60258-7 #metabolomics #stable-isotope @natcomms.nature.com02 Jun 2025 06:08 +0000at://did:plc:6gs7uj6yuos6wpfwu2ljbysm/app.bsky.feed.post/3lqm4fsucld26https://bsky.app/profile/andreaghirardo.bsky.social/post/3lqhg3cswrw2aRice JA oxidases control JA-Ile levels to balance growth and defense. Loss of JAO boosts blast resistance but reduces early growth and yield, by diverting metabolic flux upstream of JA-Ile formation. #Phytohormons @plantphys.bsky.social https://academic.oup.com/plphys/article/198/1/kiaf161/811931531 May 2025 09:18 +0000at://did:plc:6gs7uj6yuos6wpfwu2ljbysm/app.bsky.feed.post/3lqhg3cswrw2ahttps://bsky.app/profile/andreaghirardo.bsky.social/post/3lqha3jb2vr26Rice JA oxidases control JA-Ile levels to balance growth and defense. Loss of JAO boosts blast resistance but reduces early growth and yield, by diverting metabolic flux upstream of JA-Ile formation. #Phytohormon @plantphys.bsky.social https://academic.oup.com/plphys/article/198/1/kiaf161/811931531 May 2025 07:30 +0000at://did:plc:6gs7uj6yuos6wpfwu2ljbysm/app.bsky.feed.post/3lqha3jb2vr26https://bsky.app/profile/andreaghirardo.bsky.social/post/3lqg6nydkqn2yDreaMS is a neural network able of learning molecular representations from raw unannotated mass spectra through self-supervised learning. An Atlas of 201 millions of MS/Ms data to unravel the unknown of our metabolomics data? https://doi.org/10.1038/s41587-025-02663-3 #metabolomics #AI #MassSpec30 May 2025 21:32 +0000at://did:plc:6gs7uj6yuos6wpfwu2ljbysm/app.bsky.feed.post/3lqg6nydkqn2yhttps://bsky.app/profile/andreaghirardo.bsky.social/post/3lq55h4jgu426Thank you @volt.bsky.social and @rikkarinnan.bsky.social for organizing the 1rst symposium on VOCs and interaction in Copenhagen. It was a great opportunity to present our findings on #VOC emissions of #Petrichor from the #Negevdesert. @ag-bonkowsky.bsky.social @jpschnitzlerlab.bsky.social27 May 2025 07:17 +0000at://did:plc:6gs7uj6yuos6wpfwu2ljbysm/app.bsky.feed.post/3lq55h4jgu426https://bsky.app/profile/andreaghirardo.bsky.social/post/3lq3yiypnq52hI am excited to start our field campaign to study the interaction between herbivory, leaf phytochemicals and microbiome under a simulated drought forest experiment at KROOF 🌿🦋🔬 @plantmicrobiosis.bsky.social #Grams #MichaelEisenring #MartinGossner #WLS #TUM26 May 2025 20:16 +0000at://did:plc:6gs7uj6yuos6wpfwu2ljbysm/app.bsky.feed.post/3lq3yiypnq52h