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. 2021 Mar 5;22(5):2603. doi: 10.3390/ijms22052603

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© 2021 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Key players involved in TT formation and development in Arabidopsis thaliana. So far, few main regulators involved in TT formation and development have been identified (NTT, NO TRANSMITTING TRACT; SPT, SPATULA; HEC1, 2, and 3, HECATE1, 2 and 3; STK, SEEDSTICK; HAF, HALF FILLED; BEE1 and BEE3, BRASSINOSTEROID ENHANCED EXPRESSION1 and 3) and a concrete genetic regulatory network has not been fully elucidated. NTT is necessary for TT differentiation. TT development is intimately related to correct carpel fusion and development; thus, several gene products that participate in such processes are also involved in TT formation (SEU, SEUSS; ETTIN; ANT, AINTEGUMENTA; IND, INDEHISCENT; ALC, ALCATRAZ). Proteins are grouped in different boxes according to the way they interact with each other. Created with BioRender.com(accessed on 25 February 2021).