Table 2. Function of the lncRNAs reported in plants.

lncRNAs	Species	Biological function	Regulation mechanism	Refs
APOLO	Arabidopsis thaliana	Auxin-controlled development	Chromatin topology	127
ASCO-lncRNA	Arabidopsis thaliana	Lateral root development	Alternative splicing regulators	127
asHSFB2a	Arabidopsis thaliana	Gametophytic development	Antisense transcription	128
cis-NATPHO1;2	Oryza sativa	Phosphate homeostasis	Translational enhancer	129
COLDAIR	Arabidopsis thaliana	Flowering	Histone modification	42
COOLAIR	Arabidopsis thaliana	Flowering	Histone modification	43
ENOD40	Medicago truncatula, Glycine max	Nodule development	Protein re-localization	130,131
HID1	Arabidopsis thaliana	Photomorphogenesis	Association with chromatin	132
HvCesA6 lnc-NAT	Hordeum vulgare	Cell wall biosynthesis	siRNA precursor	133
LDMAR	Oryza sativa	Photoperiod-sensitive male sterility	Promoter methylation	134
XLOC_057324	Oryza sativa	Flowering and sterility	Unknown	135

Abbreviations: APOLO, auxin-regulated promoter loop; ASCO, alternative splicing competitor; asHSFB2a, natural long non-coding antisense RNA of heat stress transcription factor B; PHO1;2, PHOSPHATE1;2; COLDAIR, cold-assisted intronic non-coding RNA; COOLAIR, cold induced long antisense intragenic RNAs; ENOD40, early nodulin 40; HID1, hidden treasure 1; CesA6 lncNAT, natural antisense of CesA6 cellulose synthase gene; IPS1, induced by phosphate starvation 1; LDMAR, long day-specific male-fertility-associated RNA.