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Thermoinhibition uncovers a role for strigolactones in Arabidopsis seed germination

Toh S, Kamiya Y, Kawakami N, Nambara E, McCourt P, Tsuchiya Y Plant Cell Physiol. 2012 Jan;53(1):107-17 PMID: 22173099 Abstract Strigolactones are host factors that stimulate seed germination of parasitic plant species such as Striga and Orobanche. This hormone is also important in shoot branching architecture and photomorphogenic development. Strigolactone biosynthetic and signaling mutants in … Read More

Molecular evolution of ultraspiracle protein (USP/RXR) in insects

Hult EF, Tobe SS, Chang BS PLoS ONE 2011;6(8):e23416 PMID: 21901121 Abstract Ultraspiracle protein/retinoid X receptor (USP/RXR) is a nuclear receptor and transcription factor which is an essential component of a heterodimeric receptor complex with the ecdysone receptor (EcR). In insects this complex binds ecdysteroids and plays an important role in the regulation of growth, … Read More

Altered germination and subcellular localization patterns for PUB44/SAUL1 in response to stress and phytohormone treatments

Salt JN, Yoshioka K, Moeder W, Goring DR PLoS ONE 2011;6(6):e21321 PMID: 21738636 Abstract BACKGROUND: In plants, the ubiquitin-proteasome system is emerging as a significant regulatory system throughout the plant lifecycle. The ubiquitination of a target protein requires the sequential actions of the E1, E2 and E3 enzymes, with the latter E3 enzyme conferring target … Read More