Table 3.
Microscopy measurements of hemogregarine intracellular parasites and infected host erythrocytes under 1000× magnification. An extracellular gametocyte was also detected for the sample ACZC1827 but was not included in these measurements (19.22 µm in length and 2.26 µm in width, similar to mean measurements for free gamonts in previous studies [38]). n refers to the number of hemogregarine gamonts or infected host cells measured per sample.
| Host species | Code | Hemogregarines – Mean ± SD (min − max) |
Host cell – Mean ± SD (min − max) |
||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| n | Vertical | Horizontal | Area | Perimeter | n | Vertical | Horizontal | Area | Perimeter | ||
| Furcifer sp. | md67 | 10 | 12.89 ± 0.94 (11.09 − 14.14) | 4.31 ± 0.71 (2.95 − 5.10) | 49.67 ± 5.36 (39.19 − 56.40) | 34.78 ± 2.00 (31.23 − 38.36) | 10 | 17.84 ± 1.45 (15.19 − 19.89) | 11.02 ± 0.87 (9.97 − 13.01) | 157.67 ± 11.48 (137.15 − 173.51) | 51.74 ± 2.00 (48.77 − 54.79) |
| Ithycyphus oursi | ACZC1932 | 5 | 14.49 ± 0.46 (13.95 − 15.28) | 3.77 ± 0.86 (2.56 − 5.21) | 58.64 ± 9.21 (45.28 − 72.23) | 39.12 ± 1.07 (37.59 − 40.66) | 5 | 18.29 ± 1.35 (16.32 − 19.58) | 10.82 ± 1.53 (8.13 − 12.76) | 163.41 ± 31.87 (112.91 − 208.07) | 52.84 ± 4.98 (45.46 − 58.57) |
| Madagascarophis colubrinus | ACZC1827 | 10 | 13.82 ± 0.56 (12.55 − 14.61) | 2.97 ± 0.55 (1.83 − 3.59) | 42.77 ± 8.73 (24.78 − 57.26) | 36.43 ± 2.13 (32.60 − 40.81) | 8 | 19.93 ± 1.59 (16.32 − 22.08) | 11.20 ± 1.01 (9.97 − 13.20) | 180.91 ± 10.63 (164.88 − 194.65) | 56.80 ± 1.23 (55.10 − 58.87) |
| 13.73 ± 0.66 (11.09 − 15.28) | 3.68 ± 0.71 (1.83 − 5.21) | 50.36 ± 7.77 (24.78 − 72.23) | 36.78 ± 1.73 (31.23 − 40.81) | ||||||||
| Madagascarophis colubrinus | ACZC1963* | 10 | 11.53 ± 1.16 (10.12 − 14.40) | 3.42 ± 0.35 (2.94 − 4.02) | 35.93 ± 4.07 (30.85 − 42.80) | 30.76 ± 2.33 (27.95 − 36.59) | 9 | 15.99 ± 2.20 (12.54 − 19.30) | 9.72 ± 1.41 (8.24 − 12.76) | 123.34 ± 13.97 (92.00 − 142.14) | 46.35 ± 3.42 (40.00 − 52.88) |
| Oplorus sp. | ×49** | 10 | 12.13 ± 0.51 (11.25 − 13.19) | 5.88 ± 0.67 (4.72 − 7.01) | 59.71 ± 5.90 (48.30 − 66.92) | 34.26 ± 1.24 (32.38 − 36.08) | 6 | 14.61 ± 1.21 (12.33 − 15.80) | 10.54 ± 1.19 (8.24 − 11.84) | 124.23 ± 15.90 (96.91 − 141.63) | 45.15 ± 2.78 (41.68 − 49.10) |
Sample ×49 presented morphologically distinct parasites (see Fig. 1), some of which apparently found inside leukocytes and yielded a genetically distinct 18S rRNA gene haplotype (Fig. 3). Samples md67, ACZC1932 and ACZC1827 yielded identical 18S rRNA gene sequences (Fig. 3), so a mean is presented for these as they may correspond to the same Hepatozoon species (Hepatozoon domerguei, see Discussion and Fig. 3). GenBank accession numbers are given in Figure 3.
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