Sunnyjoy Dupuis, PhD
sunnyjoydupuis.bsky.social
Sunnyjoy Dupuis, PhD
@sunnyjoydupuis.bsky.social
Postdoc in the Merchant Lab | PhD in microbiology from UC Berkeley | systems biology, photosynthesis, microbial ecology, and diurnal cycles
Chlamy never ceases to surprise me! Our new preprint tracks dim-day acclimated Chlamy populations as they face sudden bright days. See how the alga bounces back from severe photodamage and a weird empty stroma phenotype to divide successfully by nightfall. doi.org/10.1101/2025...
Light on its feet: Acclimation to high and low diurnal light is flexible in Chlamydomonas reinhardtii
Chlamydomonas acclimates to repeated low (LL) or high light (HL) days by changing the abundance of photosynthetic complexes and the ultrastructure of its thylakoid membranes. These phenotypes persist ...
doi.org
September 2, 2025 at 4:43 PM
New preprint! Check out how we are approaching dual-proteomics of two very different symbiotic microbes at once, no fancy tools necessary. @merchant-lab.bsky.social doi.org/10.1101/2025...
Mono-mix strategy enables comparative proteomics of a cross-kingdom microbial symbiosis
Cross-kingdom microbial symbioses, such as those between algae and bacteria, are key players in biogeochemical cycles. The molecular changes during initiation and establishment of symbiosis are of gre...
doi.org
July 26, 2025 at 9:07 PM
Reposted by Sunnyjoy Dupuis, PhD
Postdoctoral researcher @sunnyjoydupuis.bsky.social, PhD '25 Microbiology, writes about the Merchant Lab and @qb3-berkeley.bsky.social scientists peeking in on algae at night to discover how the organisms prepare for another stressful day on the job.
What do algae do after a long day of photosynthesis?

The Sabeeha Merchant lab & @sunnyjoydupuis.bsky.social tracked them day & night. These tiny powerhouses prep for stress in their sleep—findings that could reshape how we see global carbon cycling.

Read more: bit.ly/QB3_algae
June 16, 2025 at 3:29 PM
Check out this piece I wrote with @qb3.bsky.social’s awesome science communication team *highlighting* (pun intended) recent work in @theplantcell.bsky.social by Valle Ojeda and yours truly! 🌱🦠🔬
What do algae do after a long day of photosynthesis?

The Sabeeha Merchant lab & @sunnyjoydupuis.bsky.social tracked them day & night. These tiny powerhouses prep for stress in their sleep—findings that could reshape how we see global carbon cycling.

Read more: bit.ly/QB3_algae
June 9, 2025 at 9:19 PM
Our large-scale biology article is out in @theplantcell.bsky.social! Dig into these rich datasets to see how light-induced stress not only impacts what algae do during the day, but also how it shapes their physiology and gene expression at night. doi.org/10.1093/plce...
Too dim, too bright, and just right: Systems analysis of the Chlamydomonas diurnal program under limiting and excess light
Chlamydomonas populations acclimate to low and high diurnal light and maintain altered photosystem abundance, thylakoid architecture, and non-photochemical
doi.org
June 5, 2025 at 4:54 PM
Reposted by Sunnyjoy Dupuis, PhD
Too dim, too bright, and just right: Systems analysis of the Chlamydomonas diurnal program under limiting and excess light pubmed.ncbi.nlm.nih.gov/40251989/
April 20, 2025 at 7:16 AM