Table 1.

Overview of Arabidopsis Attet mutants and AtTET gene expression patterns described in the literature.

TET	Mutant lines	Embryo	Seedling and adult plant	Male tissue	Female tissue	Sources
AtTET1	KO, KD	Provascular tissue•	Root◦; lateral root cap•; vasculature•; cotyledon•; rosette leaf◦•; flower◦•		Stigma•; outer integument (BP, AP)•	1, 2, 3, 4, 5, 6
AtTET2	KO, KD		Cotyledon•; rosette leaf◦•; flower◦•	Mature pollen•	Carpel stomata (PM)•; stigma•; papilla (BP, AP)•	1, 6
AtTET3	KO, KD	SAM progenitor domain•	Root◦•; quiescent center•; flower◦•		Stigma•	1, 6
AtTET4	KD	Central part of the embryo•	Root◦•; quiescent center•; flower◦•	Mature pollen•	Carpel stomata (PM)•; chalazal proliferating tissue•	1, 6
AtTET5	KO, KD	Provascular tissue•	Root•; vasculature•; cotyledon•; rosette leaf◦•; flower◦•		Vasculature in carpels and ovules•	1, 6
AtTET6	KD		Root◦•; vasculature•; cotyledon•; rosette leaf◦•; flower◦•		Vasculature in carpels and ovules•	1, 6
AtTET7	KO, OE		Rosette leaf•; flower◦•	Mature pollen◦• and pollen tube: PM• and cytoplasm•	Ovule: outer integument• and inner integument• (PM) central cell•; synergid (filiform apparatus)•; antipodals•	1, 3, 5, 6
AtTET8	KO, KD	Apical domain•, tip regions of cotyledons•	Root◦•; cotyledon•; rosette leaf◦•; flower◦•	Mature pollen◦• and pollen tube: PM• and cytoplasm (AP)•	Stigma (BP)•; papilla•; transmitting tract (PM) (BP, AP+)•; ovule: outer integument and inner integument (PM), chalazal proliferating tissue (AP)•	1, 3, 5, 6
AtTET9	OE		Root◦•; cotyledon•; rosette leaf•; flower◦•		Stigma (AP)•; papilla•; transmitting tract (PM, AP)•; ovule: (PM) upper part of funiculus•, ovule micropyle•, chalazal proliferating tissue•, egg cell•, central cell•, synergid• antipodals•, endosperm (AF)•	1, 6
AtTET10	OE	Central part of the embryo•	Root◦•; vasculature• cotyledon•; rosette leaf◦•; flower◦•; lateral root cap•		Papilla•, carpel valve margins (PM)•; stigma (BP)•; transmitting tract (BP, AP+)•; ovule: (PM) upper part of funiculus (AP), integuments and funiculus (AF)•	1, 6
AtTET11	KO OE		Flower◦•	PM and sperm cell interface◦•		1, 3, 5, 6
AtTET12			Root◦•; stipuli•	PM and sperm cell interface◦•		1, 3, 5, 6
AtTET13	KO, KD, OE	Hypophysis•	Quiescent center•; flower◦•	Mature pollen◦• and pollen tube◦ PM• and cytoplasm•		1, 3, 5, 6
AtTET14	KD	Provascular tissue•	Cotyledon•; rosette leaf•: vasculature•; flower◦•	Bicellular pollen◦: ER•		1, 3, 5, 6
AtTET15	OE	Basal part•	Root•; flower◦•	Mature pollen◦: ER•		1, 3, 5, 6
AtTET16	KO		Rosette leaf◦; flower◦•	Mature pollen◦• and pollen tube◦: ER•		1, 3, 5, 6
AtTET17	KO		Rosette leaf◦; flower◦	Mature pollen◦•		1, 3, 5, 6

KO, knock-out line; OE, overexpression line; KD, knock-down line; BP, before pollination; AP, after pollination; AF, after fertilization; PM, plasma membrane; ER, endoplasmatic reticulum; SAM, shoot apical meristem. Symbols: (+) increased expression level, (◦) RT-PCR and microarray data, (•) transcriptional and/or translational GFP and/or GUS reporter studies; (Boavida et al., 2013)¹; (Cnops et al., 2006)²; (Honys and Twell, 2004)³; (Olmos et al., 2003)⁴; (Pina et al., 2005)⁵; (Wang et al., 2015)⁶.