The object is to select a hop strain containing α-acid at a high content, or further select a hop strain containing α-acid and also containing β-acid, myrcene and/or xanthohumol at high contents within a short time by utilizing a molecular selection method using a bleeding marker. Thus, provided is a bleeding marker for use in the selection of a hop strain containing α-acid at a high content, which comprises a polynucleotide selected from the items (a) and (b): (a) a polynucleotide having a nucleotide sequence comprising 20 to 1587 contiguous nucleotides including a nucleotide at position-899 (t) lying in a polynucleotide having the nucleotide sequence depicted in SEQ ID NO:5 in the Sequence Listing; and (b) a polynucleotide having a nucleotide sequence complementary to the polynucleotide (a).
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机译：目的是通过使用分子选择短时间内含有高含量的α-酸的啤酒花菌株，或进一步选择短时间内含有高含量的α-酸和还含有β-酸，月桂烯和/或黄腐酚的啤酒花菌株。选择方法使用出血标记。因此，提供了一种用于选择含有高含量α-酸的啤酒花菌株的出血标记，其包含选自（a）和（b）项的多核苷酸：（a）具有核苷酸序列的多核苷酸包含20至1587个连续核苷酸，所述连续核苷酸包括位于序列表中SEQ ID NO：5所示核苷酸序列的多核苷酸中的899位（t）处的核苷酸; （b）具有与多核苷酸（a）互补的核苷酸序列的多核苷酸。
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