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270) orientalis mitochondrial genome, as the first mitochondrial genome from the order Mysida, reveals an unusual gene arrangement that is unique compared with the other malacostracan mitochondrial genomes.
* The first mitochondrial genome from Mysida (Crustacea: Malacostraca) reveals an unusual gene arrangement.
- This is the first report to present the Neomysis orientalis mitochondrial genome as a representative from the order Mysida. While mitochondrial protein-coding genes (PCGs) commonly use several alternatives to ATN as start codons, all 13 PCGs in N. orientalis mitochondrial genome initiate with ATG or ATA. Five PCGs (atp6. atp8. cob. nad4 and nad4L) start with ATG, while the other genes (cox1-3. nad1-3. nad5 and nad6) start with ATA. Only two PCGs (cox2 and nad2) in the N. orientalis mitochondrial genome end with incomplete stop codons (T- or TA-), and all the remaining ones have TAA or TAG stop codon. Only one PCG (nad4L) is encoded on the light strand and all other 12 PCGs are located at the heavy strand. Both rRNAs (srRNA and lrRNA) are encoded on the light strand. In common with 15 of the other 18 mitochondrial genomes from Peracarida, the major gene arrangement in the N. orientalis mitochondrial genome is different from the pancrustacean ground pattern. The largest conserved gene block in N. orientalis only contains two genes but those in the other 18 peracarid mitochondrial genomes contain more than five genes. Thus, the N. orientalis mitochondrial genome, as the first mitochondrial genome from the order Mysida, reveals an unusual gene arrangement that is unique compared with the other malacostracan mitochondrial genomes.
=>初めて, 最初の, 第一の, はじめに, 最初, 第1
Overview of noun first
The noun first has 6 senses (first 4 from tagged texts)
1. (9) first, number one -- (the first or highest in an ordering or series; "He wanted to be the
first")
2. (5) first, number one, number 1 -- (the first element in a countable series; "the first of the
month")
3. (1) beginning, commencement, first, outset, get-go, start, kickoff, starting time, showtime,
offset -- (the time at which something is supposed to begin; "they got an early start"; "she knew
from the get-go that he was the man for her")
4. (1) first base, first -- (the fielding position of the player on a baseball team who is stationed
at first of the bases in the infield (counting counterclockwise from home plate))
5. first, first-class honours degree -- (an honours degree of the highest class)
6. first gear, first, low gear, low -- (the lowest forward gear ratio in the gear box of a motor
vehicle; used to start a car moving)
Overview of adj first
The adj first has 6 senses (first 5 from tagged texts)
1. (232) first -- (preceding all others in time or space or degree; "the first house on the right";
"the first day of spring"; "his first political race"; "her first baby"; "the first time"; "the
first meetings of the new party"; "the first phase of his training")
2. (61) first, 1st -- (indicating the beginning unit in a series)
3. (4) inaugural, initiative, initiatory, first, maiden -- (serving to set in motion; "the
magazine's inaugural issue"; "the initiative phase in the negotiations"; "an initiatory step toward
a treaty"; "his first (or maiden) speech in Congress"; "the liner's maiden voyage")
4. (4) beginning, first -- (serving to begin; "the beginning canto of the poem"; "the first verse")
5. (3) first, foremost, world-class -- (ranking above all others; "was first in her class"; "the
foremost figure among marine artists"; "the top graduate")
6. first -- (highest in pitch or chief among parts or voices or instruments or orchestra sections;
"first soprano"; "the first violin section"; "played first horn")
Overview of adv first
The adv first has 4 senses (first 4 from tagged texts)
1. (58) first, firstly, foremost, first of all, first off -- (before anything else; "first we must
consider the garter snake")
2. (40) first, for the first time -- (the initial time; "when Felix first saw a garter snake")
3. (9) first -- (before another in time, space, or importance; "I was here first"; "let's do this
job first")
4. (4) foremost, first -- (prominently forward; "he put his best foot foremost")
--- WordNet end ---