Table 3.
List of plants entered into phylogenetic analysis and number of HD2 genes identified in 44 sequenced plants, animalia, and fungi.
| Lineage | Family | Species | Common name | Genome size | No. of HD2 genes |
|---|---|---|---|---|---|
| Algae | Chlorellaceae | Chlorella vulgaris | Chlorella | ~37.34 Mbp | 0 |
| Chlamydomonadaceae | Chlamydomonas reinhardtii | Single-cell green alga | ~120 Mbp | 0 | |
| Volvocaceae | Volvox carteri | Colonial green algae | ~125 Mbp | 0 | |
| Animalia | Drosophilidae | Drosophila Melanogaster | Common fruit fly | ~122.65 Mbp | 0 |
| Rhabditidae | Caenorhabditis elegans | Free-living transparent nematode | ~100.25 Mbp | 0 | |
| Muridae | Mus musculus | House mouse | ~2.6 Gbp | 0 | |
| Hominidae | Homo sapiens | Human | ~3.67 Gbp | 0 | |
| Basal angiosperm | Amborellaceae | Amborella trichopoda | Amborella | ~706.33 Mbp | 1 |
| Bryophytes | Funariaceae | Physcomitrella patens | Spreading earthmoss | ~480 Mbp | 11 |
| Fungi | Blastocladiaceae | Allomyces macrogynus | Allomyces | ~52.62 Mbp | 0 |
| Undefined | Batrachochytrium dendrobatidis | Amphibian chytrid fungus | ~24.13 Mbp | 0 | |
| Ancylistaceae | Conidiobolus coronatus | Entomophthora coronata | ~31.71 Mbp | 0 | |
| Unikaryonidae | Encephalitozoon cuniculi | – | ~2.8 Mb | 0 | |
| Sordariaceae | Neurospora crassa | Red bread mold | ~43 Mbp | 0 | |
| Schizophyllaceae | Schizophyllum commune | Split-gill mushroom | ~37.93 Mbp | 0 | |
| Lower plants | Salviniaceae | Azolla filiculoides | - | ~0.75 Gbp | 0 |
| Characeae | Chara braunii | – | ~1.71 Gbp | 1 | |
| Cycadaceae | Cycas revoluta | Kungi (comb) palm | ~9.08 Gbp | 0 | |
| Funariaceae | Funaria hygrometrica | Common cord-moss | – | 0 | |
| Marchantiaceae | Marchantia polymorpha | Umbrella liverwort | ~210.56 Mbp | 6 | |
| Pinaceae | Pinus contorta | Shore pine | ~21.82 Gbp | 0 | |
| Zygnemataceae | Spirogyra maxima | – | – | 0 | |
| Lycopodiophyta | Selaginellaceae | Selaginella moellendorffii | Spikemoss | ~212.46 Mbp | 9 |
| Monocots | Musaceae | Musa acuminata | Dwarf banana | ~600 Mbp | 4 |
| Poaceae | Brachypodium distachyon | Purple false brome | ~270 Mbp | 11 | |
| Hordeum vulgare | Barley | ~5.3 Gbp | 5 | ||
| Oryza sativa | Rice | ~500 Mbp | 22 | ||
| Setaria italica | Foxtail millet | ~490 Mbp | 6 | ||
| Sorghum bicolor | Great millet | ~730 Mbp | 11 | ||
| Triticum aestivum | Bread wheat | ~17 Gbp | 2 | ||
| Zea mays | Maize | ~2.4 Gbp | 29 | ||
| Eudicots | Brassicaseae | Arabipsis thaliana | Mouse-ear cress | ~135 Mbp | 4 |
| Malvaceae | Theobroma cacoa | Cacao tree | ~445 Mbp | 7 | |
| Gossypium arborium | Cotton | ~1746 Mbp | 4 | ||
| Gossypium barbadense | Cotton | ~2631 Mbp | 9 | ||
| Gossypium hirsutum | Cotton | ~2400 Mbp | 9 | ||
| Gossypium raimondii | Cotton | ~880 Mbp | 5 | ||
| Caricaceae | Carica papaya | Papaya | ~372 Mbp | 2 | |
| Euphorbiaceae | Ricinus communis | Castor bean | ~320 Mbp | 6 | |
| Fabaceae | Glycine max | Soybean | ~1115 Mbp | 17 | |
| Salicaceae | Populus trichocarpa | Populus | ~500 Mbp | 12 | |
| Vitaceae | Vitis vinifera | Grape | ~500 Mbp | 5 | |
| Gymnosperm | Pinaceae | Pinus taeda | Loblolly pine | ~20.1 Gbp | 0 |
| Ginkgoaceae | Ginkgo biloba | Maidenhair tree | ~9.765 Gbp | 0 |