Professor Sonia Gazzarrini

Sonia Gazzarrini




CSB Appointment


Research Areas

Cell Biology, Developmental Biology, Genetics / Genomics, Molecular Biology, Plant Biology


Ph.D. University of Tuebingen, Germany, 2000
B.Sc. University of Milan, Italy, 1994

Primary Undergraduate Department

Biological Sciences, UTSC

Graduate Programs

Cell & Systems Biology

Research Description

My research interests involve understanding the molecular mechanisms that regulate the transition from dormancy to germination and the role that hormones and abiotic stresses play in this processes.

Contact Information

Office Phone: 416-208-4824
Office: SY222
Lab: SY215
Lab Phone: 416-287-7441

Mailing Address

Department of Cell & Systems Biology
University of Toronto
1265 Military Trail
Scarborough, ON M1C 1A4

Visit lab’s website

Recent News

Congratulations to CSB’s Graduate Student Award Recipients!

Congratulations to our Graduate Students who earned recognition for their accomplishments at our Graduate Student Awards on December 19th, 2022!…

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Discoveries and Discussions at CSB Research Day

CSB held our Research Day for the first time in 2 years on September 22nd, 2022. Over 180 students, staff and faculty gathered at the Old Mill to…

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LAFL Factors in Seed Development and Phase Transitions.

Gazzarrini S, Song L
2024, Annual review of plant biology, 38657282

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ABA guides stomatal proliferation and patterning through the EPF-SPCH signaling pathway in Arabidopsis thaliana.

Mohamed D, Vonapartis E, Corcega DY, Gazzarrini S
2023, Development (Cambridge, England), 150, 37997741

BASIC PENTACYSTEINE2 fine-tunes corm dormancy release in Gladiolus.

Li J, Pan W, Liang J, Liu C, Li D, Yang Y, Qu L, Gazzarrini S, Yi M, Wu J
2023, Plant physiology, 191, 2489-2505, 36659854

Epigenetic silencing of callose synthase by VIL1 promotes bud-growth transition in lily bulbs

Pan W, Li J, Du Y, Zhao Y, Xin Y, Wang S, Liu C, Lin Z, Fang S, Yang Y, Zaccai M, Zhang X, Yi M, Gazzarrini S, Wu J
2023, Nature Plants, 10.1038/s41477-023-01492-z

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CBF4/DREB1D represses XERICO to attenuate ABA, osmotic and drought stress responses in Arabidopsis.

Vonapartis E, Mohamed D, Li J, Pan W, Wu J, Gazzarrini S
2022, The Plant journal : for cell and molecular biology, 35199890

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Role of Basal ABA in Plant Growth and Development.

Brookbank BP, Patel J, Gazzarrini S, Nambara E
2021, Genes, 12, 34946886

Oxidative and salt stresses alter the 26S proteasome holoenzyme and associated protein profiles in Arabidopsis thaliana.

Bonea D, Noureddine J, Gazzarrini S, Zhao R
2021, BMC plant biology, 21, 486, 34696730

ABA and Bud Dormancy in Perennials: Current Knowledge and Future Perspective.

Pan W, Liang J, Sui J, Li J, Liu C, Xin Y, Zhang Y, Wang S, Zhao Y, Zhang J, Yi M, Gazzarrini S, Wu J
2021, Genes, 12, 34681029

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An abscisic acid-responsive protein interaction network for sucrose non-fermenting related kinase1 in abiotic stress response

Carianopol CS, Chan AL, Dong S, Provart NJ, Lumba S, Gazzarrini S
2020, Communications Biology, 10.1038/s42003-020-0866-8

SnRK1α1 Antagonizes Cell Death Induced by Transient Overexpression of Arabidopsis thaliana ABI5 Binding Protein 2 (AFP2)

Carianopol CS, Gazzarrini S
2020, Frontiers in Plant Science, 10.3389/fpls.2020.582208

Spatiotemporal Restriction of FUSCA3 Expression by Class I BPCs Promotes Ovule Development and Coordinates Embryo and Endosperm Growth

Wu J, Mohamed D, Dowhanik S, Petrella R, Gregis V, Li J, Wu L, Gazzarrini S
2020, The Plant Cell, 10.1105/tpc.19.00764

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GhTCP19 Transcription Factor Regulates Corm Dormancy Release by RepressingGhNCEDExpression in Gladiolus

Wu J, Wu W, Liang J, Jin Y, Gazzarrini S, He J, Yi M
2019, Plant and Cell Physiology, 10.1093/pcp/pcy186

GhNAC83 inhibits corm dormancy release by regulating ABA signaling and cytokinin biosynthesis in Gladiolus hybridus

Wu J, Jin Y, Liu C, Vonapartis E, Liang J, Wu W, Gazzarrini S, He J, Yi M
2019, Journal of Experimental Botany, 10.1093/jxb/ery428

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The E3 ligase ABI3-INTERACTING PROTEIN2 negatively regulates FUSCA3 and plays a role in cotyledon development in Arabidopsis thaliana

Duong S, Vonapartis E, Li C, Patel S, Gazzarrini S
2017, Journal of Experimental Botany, 10.1093/jxb/erx046

SnRK1 phosphorylation of FUSCA3 positively regulates embryogenesis, seed yield, and plant growth at high temperature in Arabidopsis

Chan A, Carianopol C, Tsai AY, Varatharajah K, Chiu RS, Gazzarrini S
2017, Journal of Experimental Botany, 10.1093/jxb/erx233

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Inhibition of FUSCA3 degradation at high temperature is dependent on ABA signaling and is regulated by the ABA/GA ratio.

Chiu RS, Saleh Y, Gazzarrini S
2016, Plant signaling & behavior, 11, e1247137, 27791466

ABA-dependent inhibition of the ubiquitin proteasome system during germination at high temperature inArabidopsis

Chiu RS, Pan S, Zhao R, Gazzarrini S
2016, The Plant Journal, 10.1111/tpj.13293

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Hormone cross-talk during seed germination

Guilfoyle T, Hagen G, Gazzarrini S, Tsai AY
2015, Essays in Biochemistry, 10.1042/bse0580151

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Trehalose-6-phosphate and SnRK1 kinases in plant development and signaling: the emerging picture

Tsai AY, Gazzarrini S
2014, Frontiers in Plant Science, 10.3389/fpls.2014.00119

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The embryonic leaf identity gene FUSCA3 regulates vegetative phase transitions by negatively modulating ethylene-regulated gene expression in Arabidopsis

Lumba S, Tsuchiya Y, Delmas F, Hezky J, Provart NJ, Shi Lu Q, McCourt P, Gazzarrini S
2012, BMC biology, 10, 8, 22348746

The role of the Arabidopsis FUSCA3 transcription factor during inhibition of seed germination at high temperature

Chiu RS, Nahal H, Provart NJ, Gazzarrini S
2012, BMC plant biology, 12, 15, 22279962

Overlapping and distinct roles of AKIN10 and FUSCA3 in ABA and sugar signaling during seed germination

Tsai AY, Gazzarrini S
2012, Plant Signaling & Behavior, 10.4161/psb.21549

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AKIN10 and FUSCA3 interact to control lateral organ development and phase transitions in Arabidopsis

Tsai AY, Gazzarrini S
2012, The Plant journal : for cell and molecular biology, 69, 809-21, 22026387

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The C-terminal domain of FUSCA3 negatively regulates mRNA and protein levels, and mediates sensitivity to the hormones abscisic acid and gibberellic acid in Arabidopsis

Lu QS, Dela Paz J, Pathmanathan A, Chiu RS, Tsai AY, Gazzarrini S
2010, The Plant Journal, 10.1111/j.1365-313X.2010.04307.x

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Additive contribution of AMT1;1 and AMT1;3 to high-affinity ammonium uptake across the plasma membrane of nitrogen-deficient Arabidopsis roots

Loqué D, Yuan L, Kojima S, Gojon A, Wirth J, Gazzarrini S, Ishiyama K, Takahashi H, von Wirén N
2006, The Plant journal : for cell and molecular biology, 48, 522-34, 17026539

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Crosstalk and abscisic acid: the roles of terpenoid hormones in coordinating development

McCourt P, Lumba S, Tsuchiya Y, Gazzarrini S
2005, Physiologia Plantarum, 10.1111/j.1399-3054.2005.00457.x

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The transcription factor FUSCA3 controls developmental timing in Arabidopsis through the hormones gibberellin and abscisic acid

Gazzarrini S, Tsuchiya Y, Lumba S, Okamoto M, McCourt P
2004, Developmental cell, 7, 373-85, 15363412

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Cross-talk in plant hormone signalling: what Arabidopsis mutants are telling us

Gazzarrini S, McCourt P
2003, Annals of botany, 91, 605-12, 12714359

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Genetic interactions between ABA, ethylene and sugar signaling pathways.

Gazzarrini S, McCourt P
2001, Current opinion in plant biology, 4, 387-91, 11597495

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The molecular physiology of ammonium uptake and retrieval.

von Wirén N, Gazzarrini S, Gojon A, Frommer WB
2000, Current opinion in plant biology, 3, 254-61, 10837267

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Three functional transporters for constitutive, diurnally regulated, and starvation-induced uptake of ammonium into Arabidopsis roots.

Gazzarrini S, Lejay L, Gojon A, Ninnemann O, Frommer WB, von Wirén N
1999, The Plant cell, 11, 937-48, 10330477

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