Full Text Journal Articles by
Author Michael J Prigge

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Mutations in the Physcomitrium patens gene encoding Aminodeoxychorismate Synthase confer auxotrophic phenotypes.

Michael J Prigge, Yingluo Wang, Mark Estelle,

To facilitate genetic mapping of developmental mutants of <i>Physcomitrium patens</i>, we produced a genetic marker that combines recessive auxotrophy with dominant positive selection. We first identified the gene affected by the <i>pabB4</i> auxotrophic mutation and then replaced it with a cassette that confers antibiotic resistance. This strain may be used ... Read more >>

MicroPubl Biol (microPublication biology)
[2021, 2021:]

Cited: 0 times

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Dual Role of Auxin in Regulating Plant Defense and Bacterial Virulence Gene Expression During Pseudomonas syringae PtoDC3000 Pathogenesis.

Arnaud T Djami-Tchatchou, Gregory A Harrison, Chris P Harper, Renhou Wang, Michael J Prigge, Mark Estelle, Barbara N Kunkel,

Modification of host hormone biology is a common strategy used by plant pathogens to promote disease. For example, the bacterial pathogen strain <i>Pseudomonas syringae</i> DC3000 (PtoDC3000) produces the plant hormone auxin (indole-3-acetic acid [IAA]) to promote PtoDC3000 growth in plant tissue. Previous studies suggest that auxin may promote PtoDC3000 pathogenesis ... Read more >>

Mol Plant Microbe Interact (Molecular plant-microbe interactions : MPMI)
[2020, 33(8):1059-1071]

Cited: 4 times

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Genetic analysis of the Arabidopsis TIR1/AFB auxin receptors reveals both overlapping and specialized functions.

Michael J Prigge, Matthieu Platre, Nikita Kadakia, Yi Zhang, Kathleen Greenham, Whitnie Szutu, Bipin Kumar Pandey, Rahul Arvind Bhosale, Malcolm J Bennett, Wolfgang Busch, Mark Estelle,

The TIR1/AFB auxin co-receptors mediate diverse responses to the plant hormone auxin. The Arabidopsis genome encodes six TIR1/AFB proteins representing three of the four clades that were established prior to angiosperm radiation. To determine the role of these proteins in plant development we performed an extensive genetic analysis involving the ... Read more >>

Elife (eLife)
[2020, 9:]

Cited: 13 times

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The Arabidopsis Auxin Receptor F-Box Proteins AFB4 and AFB5 Are Required for Response to the Synthetic Auxin Picloram.

Michael J Prigge, Kathleen Greenham, Yi Zhang, Aaron Santner, Cristina Castillejo, Andrew M Mutka, Ronan C O'Malley, Joseph R Ecker, Barbara N Kunkel, Mark Estelle,

The plant hormone auxin is perceived by a family of F-box proteins called the TIR1/AFBs. Phylogenetic studies reveal that these proteins fall into four clades in flowering plants called TIR1, AFB2, AFB4, and AFB6. Genetic studies indicate that members of the TIR1 and AFB2 groups act as positive regulators of ... Read more >>

G3 (Bethesda) (G3 (Bethesda, Md.))
[2016, 6(5):1383-1390]

Cited: 34 times

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Constitutive auxin response in Physcomitrella reveals complex interactions between Aux/IAA and ARF proteins.

Meirav Lavy, Michael J Prigge, Sibo Tao, Stephanie Shain, April Kuo, Kerstin Kirchsteiger, Mark Estelle,

The coordinated action of the auxin-sensitive Aux/IAA transcriptional repressors and ARF transcription factors produces complex gene-regulatory networks in plants. Despite their importance, our knowledge of these two protein families is largely based on analysis of stabilized forms of the Aux/IAAs, and studies of a subgroup of ARFs that function as ... Read more >>

Elife (eLife)
[2016, 5:]

Cited: 36 times

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The cyclophilin DIAGEOTROPICA has a conserved role in auxin signaling.

Meirav Lavy, Michael J Prigge, Kristof Tigyi, Mark Estelle,

Auxin has a fundamental role throughout the life cycle of land plants. Previous studies showed that the tomato cyclophilin DIAGEOTROPICA (DGT) promotes auxin response, but its specific role in auxin signaling remains unknown. We sequenced candidate genes in auxin-insensitive mutants of Physcomitrella patens and identified mutations in highly conserved regions ... Read more >>

Development (Development (Cambridge, England))
[2012, 139(6):1115-1124]

Cited: 29 times

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Evolutionary crossroads in developmental biology: Physcomitrella patens.

Michael J Prigge, Magdalena Bezanilla,

The moss Physcomitrella patens has recently emerged as a powerful genetically tractable model plant system. As a member of the bryophytes, P. patens provides a unique opportunity to study the evolution of a myriad of plant traits, such as polarized cell growth, gametophyte-to-sporophyte transitions, and sperm-to-pollen transition. The availability of ... Read more >>

Development (Development (Cambridge, England))
[2010, 137(21):3535-3543]

Cited: 65 times

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Physcomitrella patens auxin-resistant mutants affect conserved elements of an auxin-signaling pathway.

Michael J Prigge, Meirav Lavy, Neil W Ashton, Mark Estelle,

Auxin regulates most aspects of flowering-plant growth and development, including key developmental innovations that evolved within the vascular plant lineage after diverging from a bryophyte-like ancestor nearly 500 million years ago. Recent studies in Arabidopsis indicate that auxin acts by directly binding the TIR1 subunit of the SCF(TIR1) ubiquitin ligase; ... Read more >>

Curr Biol (Current biology : CB)
[2010, 20(21):1907-1912]

Cited: 75 times

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The TRANSPORT INHIBITOR RESPONSE2 gene is required for auxin synthesis and diverse aspects of plant development.

Masashi Yamada, Katie Greenham, Michael J Prigge, Philip J Jensen, Mark Estelle,

The plant hormone auxin plays an essential role in plant development. However, only a few auxin biosynthetic genes have been isolated and characterized. Here, we show that the TRANSPORT INHIBITOR RESPONSE2 (TIR2) gene is required for many growth processes. Our studies indicate that the tir2 mutant is hypersensitive to 5-methyl-tryptophan, ... Read more >>

Plant Physiol (Plant physiology)
[2009, 151(1):168-179]

Cited: 95 times

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Two cap-binding proteins CBP20 and CBP80 are involved in processing primary MicroRNAs.

Sanghee Kim, Jun-Yi Yang, Jun Xu, In-Cheol Jang, Michael J Prigge, Nam-Hai Chua,

MicroRNAs (miRNAs) are 21 nt RNAs that regulate many biological processes in plants by mediating translational inhibition or cleavage of target transcripts. Arabidopsis mutants defective in miRNA biogenesis have overlapping and highly pleiotropic phenotypes including serrated leaves and ABA hypersensitivity. Recent evidence indicates that miRNA genes are transcribed by RNA ... Read more >>

Plant Cell Physiol (Plant & cell physiology)
[2008, 49(11):1634-1644]

Cited: 94 times

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Evolution of the class III HD-Zip gene family in land plants.

Michael J Prigge, Steven E Clark,

Arabidopsis class III homeodomain-leucine zipper (HD-Zip III) proteins play overlapping, distinct, and antagonistic roles in key aspects of development that have evolved during land plant evolution. To better understand this gene family's role in plant evolution and development as well as to address broader questions of how duplicated genes functionally ... Read more >>

Evol Dev (Evolution & development)
[2006, 8(4):350-361]

Cited: 68 times

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Class III homeodomain-leucine zipper gene family members have overlapping, antagonistic, and distinct roles in Arabidopsis development.

Michael J Prigge, Denichiro Otsuga, José M Alonso, Joseph R Ecker, Gary N Drews, Steven E Clark,

The Arabidopsis thaliana genome contains five class III homeodomain-leucine zipper genes. We have isolated loss-of-function alleles for each family member for use in genetic analysis. This gene family regulates apical embryo patterning, embryonic shoot meristem formation, organ polarity, vascular development, and meristem function. Genetic analyses revealed a complex pattern of ... Read more >>

Plant Cell (The Plant cell)
[2005, 17(1):61-76]

Cited: 380 times

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CORONA, a member of the class III homeodomain leucine zipper gene family in Arabidopsis, regulates stem cell specification and organogenesis.

Kirsten A Green, Michael J Prigge, Rebecca B Katzman, Steven E Clark,

Organogenesis at the shoot meristem requires a delicate balance between stem cell specification and differentiation. In Arabidopsis thaliana, WUSCHEL (WUS) is a key factor promoting stem cell identity, whereas the CLAVATA (CLV1, CLV2, and CLV3) loci appear to promote differentiation by repressing WUS expression. In a screen for mutations modifying ... Read more >>

Plant Cell (The Plant cell)
[2005, 17(3):691-704]

Cited: 99 times

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