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Reference Detail
| Reference | ||
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| Author | Baxter I., Tchieu J., Michael R Sussman, Boutry M., Michael G Palmgren, Gribskov M., Jeffrey F Harper, Kristian B Axelsen | |
| Title | Genomic comparison of P-type ATPase ion pumps in Arabidopsis and rice. | |
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Abstract: Members of the P-type ATPase ion pump superfamily are found in all three branches of life. Forty-six P-type ATPase genes were identified in Arabidopsis, the largest number yet identified in any organism. The recent completion of two draft sequences of the rice (Oryza sativa) genome allows for comparison of the full complement of P-type ATPases in two different plant species. Here, we identify a similar number (43) in rice, despite the rice genome being more than three times the size of Arabidopsis. The similarly large families suggest that both dicots and monocots have evolved with a large preexisting repertoire of P-type ATPases. Both Arabidopsis and rice have representative members in all five major subfamilies of P-type ATPases: heavy-metal ATPases (P1B), Ca2+-ATPases (endoplasmic reticulum-type Ca2+-ATPase and autoinhibited Ca2+-ATPase, P2A and P2B), H+-ATPases (autoinhibited H+-ATPase, P3A), putative aminophospholipid ATPases (ALA, P4), and a branch with unknown specificity (P5). The close pairing of similar isoforms in rice and Arabidopsis suggests potential orthologous relationships for all 43 rice P-type ATPases. A phylogenetic comparison of protein sequences and intron positions indicates that the common angiosperm ancestor had at least 23 P-type ATPases. Although little is known about unique and common features of related pumps, clear differences between some members of the calcium pumps indicate that evolutionarily conserved clusters may distinguish pumps with either different subcellular locations or biochemical functions. |
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| Journal | Plant Physiol. | |
| Country | USA | |
| Volume | 132(2) | |
| Pages | 618-28 | |
| Year | 2003 | |
| PubMed ID | 12805592 | |
| PubMed Central ID | 167002 | |
| DOI | 10.1104/pp.103.021923 | |
| URL | - | |
| Relation | ||
| Gene | ACA1 ACA10 ACA11 ACA2 ACA3 ACA4 ACA5 ACA6 ACA7 ACA8 ACA9 AHA1 AHA10 AHA2 AHA3 AHA4 AHA5 AHA6 AHA8 AHA9 ALA1 ALA10 ALA2 ALA3 ALA4 ALA5 ALA6 ALA7 ALA8 ALA9 ECA1 ECA2 GCC7 HMA1 HMA2 HMA4 HMA5 HMA6 HMA7 HMA8 HMA9 LMPA P5 | |
| INSD | - | |
| Strain | Wild Core Collection | - |
| Induced Mutation Lines(NIG Collection) | - | |
| Sterile Seed Strain | - | |
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Lethal Embryo Mutantion Strain |
- | |
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Stages in Each Organ - Muant Lines (Gene) |
- | |
| Cultivated Varieties(NIG Collection) | - | |
| Stages in Each Organ | - | |
