Table 2.

5S rDNA unit lengths and copy number in Gossypium allotetraploids and diploids.

	SRA Identification	Unit length1		Copy number2
		High-throughput data4	Cloning	High-throughput data5	Slot blot hybridization
Gossypium mustelinum	SRR769542	265	301–303	14,015	21,845
Gossypium hirsutum3	SRR768357	297	295–279	18,412	11,190
	ERR1449079	265	295–279	14,903	11,190
Gossypium barbadense	SRR8624709	265	296–298	18,157	23,515
Gosspium raimondii	ERR1449077	303	301–303	11,061	4,730
Gossypium arboreum	SRR1216970	298	297–298	23,691	7,550
Gossypium thurberi	SRR8076131	302	301–302	10,607	2,070
Gossypium darwinii	SRX5347640	273	n.d.6	24,276	n.d.
Gossypium tomentosum	SRR8815512	259	296–297	38,691	22,290
Gossypium gossypioidies	SRR8136267	297	301–303	3,292	1,145
Gossypium herbaceum	SRR617255	265	297–298	7,819	3,415
Gossypium davidsonii	SRR8136261	302	301–303	19,909	10,280

¹Genic and intergenic region (bp). Data from sequencing of clones are from Cronn et al. (1996).

²Copy number in the somatic cell genome (2C). Slot blot hybridization results are from Cronn et al. (1996).

³Data are from two different accessions.

⁴K-mer assembly.

⁵Calculated from the genome proportion.

⁶n.d.—not determined.