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Key Laboratory of Marine Genetics and Breeding of Ministry of Education Ocean University of China
网络首发:2014-05-04,
纸质出版:2014
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Development of a SCAR marker for male gametophyte of Gracilariopsis lemaneiformis based on AFLP technique[J]. 海洋湖沼学报(英文), 2014,32(3):522-526.
Zhou, W., Ding, H., Sui, Z. et al. Development of a SCAR marker for male gametophyte of Gracilariopsis lemaneiformis based on AFLP technique., Chin. J. Ocean. Limnol. 32, 522–526 (2014). https://doi.org/10.1007/s00343-014-3209-0
Development of a SCAR marker for male gametophyte of Gracilariopsis lemaneiformis based on AFLP technique[J]. 海洋湖沼学报(英文), 2014,32(3):522-526. DOI: 10.1007/s00343-014-3209-0.
Zhou, W., Ding, H., Sui, Z. et al. Development of a SCAR marker for male gametophyte of Gracilariopsis lemaneiformis based on AFLP technique., Chin. J. Ocean. Limnol. 32, 522–526 (2014). https://doi.org/10.1007/s00343-014-3209-0 DOI:
The red alga Gracilariopsis lemaneiformis (Bory) is an economically valuable macroalgae. As a means to identify the sex of immature Gracilariopsis lemaneiformis
the amplified fragment length polymorphism (AFLP) technique was used to search for possible sex- or phase-related markers in male gametophytes
female gametophytes
and tetrasporophytes
respectively. Seven AFLP selective amplification primers were used in this study. The primer combination E-TG/M-CCA detected a specific band linked to male gametophytes. The DNA fragment was recovered and a 402-bp fragment was sequenced. However
no DNA sequence match was found in public databases. Sequence characterized amplified region (SCAR) primers were designed from the sequence to test the repeatability of the relationship to the sex
using 69 male gametophytes
139 female gametophytes
and 47 tetrasporophytes. The test results demonstrate a good linkage and repeatability of the SCAR marker to sex. The SCAR primers developed in this study could reduce the time required for sex identification of Gracilariopsis lemaneiformis by four to six months. This can reduce both the time investment and number of specimens required in breeding experiments.
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